Dientzenhofer Kilián Ignác

Architect and builder, son of Christopher Dientzenhofer, architect of the Imperial Court Building Office in Bohemia

Kilián Ignác Dientzenhofer was born in 1689 as the third child of the marriage of Christopher Dientzenhofer and Anna Maria nee. Lange, one of the most important Czech architects of the High Baroque period, author of a large number of sacral and profane buildings in Bohemia, court architect of the Benedictine Order of Břevnov-Broum, architect of the Imperial Court Building Office in Bohemia, architect of the Church of St. He was the architect of the St. Nicholas Monastery in the Lesser Town and the Old Town Square in Prague, the St. Margaret's Monastery in Břevnov, the St. Wenceslas Monastery in Broumov, the monastery in Lehnický Pole in Silesia, the husband of Anna Cecilia Popelová (†1729), with whom he had six children, and Anna Terezie née Hendrychová (†1774), with whom he had eleven children, none of his children were involved in construction.

Kilian Ignaz was born as the third child of the marriage of Christopher Dientzenhofer and Anna Maria, widow of master mason Johann Georg Aichbaur, in 1689. He was baptised on 1 September 1689 in the Church of St. Nicholas in the Lesser Town.

He lives with his family in the house at 465/3 Nosticova Street, which his father married and subsequently rebuilt.

Kilián Ignác studies at the Jesuit Gymnasium in Mala Strana.

Between 1703 and 1711, the first stage of the construction of the Baroque church of St. Nicholas in the Lesser Town is underway. The authorship is attributed to Kryštof Dientzenhofer.

On 17 December 1703, the abbot of the Břevnov-Broumov monastery, Otmar Zinke, concludes a market contract for the purchase of an estate in Wahlstatt in Silesia (now Lehnické Pole), the future site of the monumental monastery built by Kilian Ignatius.

On 30 May 1708, the foundation stone is laid for the rebuilding of the Benedictine monastery in Břevnov, Prague, initiated by Abbot Otmar Zinke under the direction of the builder Pavel Ignác Bayer.

At the turn of 1709-1710, Kilian Ignatius went abroad for experience.

In 1709, Abbot Zink dismissed Pavel Ignác Bayer from the project of building the Břevnov monastery due to dissatisfaction with his work.

In mid-1709, Christopher Dientzenhofer is appointed by Abbot Zink to plan and manage the construction of the Brevnov monastery. Kryštof completes the convent according to the plans of Paul Ignaz Bayer, but Kryštof draws up completely new plans for the prelature and the church of St. Margaret. And according to these plans, Christopher leads the entire construction. The nave was completed in 1712, the tower in 1715 and the presbytery in 1716. Work on the interior decoration of the church continues until 1721. In 1721 the prelature is completed.

In the autumn of 1715, Kilian Ignatius returns from his experience abroad to assist his father in the construction of the Břevnov monastery in 1716. From 11 May 1716 he compiled all the work lists of the journeymen on the construction of the monastery and signed them on behalf of his father. Already under his direction, the prelature of the monastery and some of the outbuildings were completed in 1721.

Between 1717 and 1726, the pilgrimage church of the Nativity of the Virgin Mary in the village of Nicov near the town of Plánice in the Klatovy region was built according to a project by Kilian Ignatius, commissioned by Count Adolf Bernard of Martinice. The church was consecrated in 1730.

In 1717-1720 Kilián Ignác carries out a complete reconstruction of the house "U červeného pole" in Vodičkova Street 708/35 in Prague.

On 15 June 1719, on the initiative of Abbot Otmar Zinke, the foundation stone of the Benedictine monastery in Wahlstatt, Silesia, now Lehnické Pole, which Abbot Zinke bought for the Břevnov-Broum Abbey on 17 December 1703, is laid. The construction according to the project of Kilian Ignatius did not begin until 1723, when the Bishop of Wrocław authorized the establishment of the monastery.

In 1719 Kilián Ignác marries Anna Cecílií Popelová, ten years younger, and lives with her until her death on 8 January 1729. They are married in the church of St. John on the Balustrade in Prague's Old Town. Six children were born of the marriage - Josef Michael (baptised 1 November 1720), Anna Marie Ludmila (14 September 1721), Františka Meliana (21 December 1722), Kilián Jan Nepomuk Rochus (17 August 1725, died in the first year), Karel Martin (11 November 1726), Barbora Anna Joanna Nepomucena (March/April 1728).

In 1720 Kilian Ignatius is engaged in the modification of the southern wing of the Jesuit college building in Olomouc and probably the design of the representative facade towards the square.

In 1720, the foundation stone of the Church of St. John of Nepomuk at the future monastery of the Vorshilkas in Prague Hradčany is laid according to Kilián Ignác's design. The church is completed in 1728.

In 1721, under the direction of Kryštof, the new monastery building of the Order of the Poor Clares in Prague Hradčany begins to be prepared. Kryštof completes the northern part, Kilián Ignác the southern part. The monastery was completed in 1723.

At the beginning of 1722, Kilián Ignác designs a new marble pavement for the monastery church as part of Kryštof's construction project for the Benedictine monastery in Broumov. The work was completed in 1723.

On 7 January 1722 Christopher made his own will. In addition to his property, he bequeaths to his heirs (wife, children and relatives) the administration of the Leuthner Foundation, founded by Abraham Leuthner. The assets bequeathed by Christopher exceed the sum of 20,000 zlotys.

In March 1722, Christopher concludes a contract with the Capuchin Order of Hradčany (Loreto) for the extension of the Chapel of the Nativity by adding an extension to the courtyard. After Christopher's death in June 1722, the reconstruction was completed by his son Kilian Ignatius in 1723.

Kilian Ignaz's father, Christopher Dietzenhofer, died on 20 June 1722 in Prague at the age of 67. According to his will of 7 January 1722, he is buried in the family tomb in the Church of St. Mary Magdalene in Prague's Lesser Town.

Until his death Christopher worked for the Benedictines of Brevnovo-Broum, where after his death he was succeeded by Kilián Ignác. He also takes over his father's construction company.

In June 1723, the Bishop of Wrocław granted the Břevnov-Broum monastery permission to establish a Benedictine priory in Wahlstatt in Silesia (today Lehnické Pole), where the abbot Otmar Zinke had purchased the estate in 1703. Construction of the monumental monastery, designed by Kilian Ignatius, began in 1723. Kilian Ignatius personally supervised the construction. In 1726, a part of the building with a hall is completed. On 15 August 1727, the foundation stone of the new church is laid, which is completed and consecrated in 1731. The construction of the monastery buildings is continued until 1738, when the whole area of the presbytery is personally consecrated by Abbot Otmar Zinke on 10 August 1738, on his 74th birthday.

Between 1723 and 1738, Kilian Ignatius, on the basis of a commission from Abbot Otmar Zinke, worked on the construction of a set of churches on the territory belonging to the Broumov monastery. According to his plans and under his supervision, the Church of All Saints in Heřmánkovice was built in 1723, the Church of St. Procopius in Bezděkově near Police nad Metují in 1724-1727, the construction of St. Anne's in Vižňov in 1725, the extension of the presbytery of the Church of St. Anne in 1725, and the construction of the Church of St. Peter and Paul in 1725. John the Baptist in Janovičky, in 1725-1726 the church of St. Barbara in Otovice, in 1726-1730 the church of St. Margaret in Šonovo, in 1729 the church of St. Wenceslas in Broumov, in 1732-1733 the chapel of St. Mary at Hvězda near Křinice and in 1733-1738 the church of St. Mary Magdalene in Božanov. Together with the churches of St. James in Ruprechtice, St. Michael in Vernéřovice, the churches built earlier according to the plans of Kryštof Dientzenhofer and the church of St. George in Martínkovice built according to the plans of Martin Allio, a set of churches is formed today called the Broumov group of churches.

In 1723 Kilián Ignác rebuilds the house "At the Golden Stag" No. 26/3 in Tomášská Street near the Church of St. Thomas. The construction was completed by 1725. The authorship of the neighbouring house 'U zlatého pretlíkku' at 22/3 Tomášská Street or the house at 3 Zámecká Street is unconfirmed.

In 1724 the Břevnov monastery prepared the construction of a church in Horní Počaple near Litoměřice on the Benedictine estate. The church was completed according to the plans of Kilian Ignatius in 1726 and consecrated on 24 August 1726.

In 1724, the Jesuit Order in the Lesser Town in Prague approached Kilian Ignatius to draw up a project for the reconstruction of the gymnasium at No. 1 in the Lesser Town.

In 1724 Kilián Ignác proposes a new convent with a church and a hospital for the Elizabethan nuns in Prague Slupi. The construction begins with the construction of the lower building and stables in 1724, the foundation stone is laid on 8 August 1724. In 1726 the construction of the monastery begins, which is consecrated in 1727. In 1728 the construction of the hospital is started.

In 1725, Kilián Ignác designs a project to improve the area in front of the Prague Loreto building in Hradčany, where statues with reliefs are placed on the balustrade. The work was completed in 1726.

In 1725-1728, Kilián Ignác builds a two-storey summer house with frescoes by Václav Vavřinec Reiner and a Baroque garden extending to the Vltava River, later called Portheimka, for his family in Prague's Smíchov, then a suburb of Mala Strana, in front of the Újezdská Gate. The building was conceived as a small but very representative family residence. After 1824, the summer palace was extended by two wings, and in 1884 the southern wing was demolished in connection with the construction of St. Wenceslas Church in the neighbourhood.

On 15 July 1726, the foundation stone of the so-called Lusatian Seminary was laid in today's U Lužického Seminary 90/13, which was intended to accommodate Upper Lusatian Catholic students. The construction is financed by a foundation founded by the Lusatian priests brothers Mertzin and Yuri Simon. The building was designed by Kilian Ignatius and built in 1728.

Around 1726 Kilián Ignác rebuilds the house "U dvou hrdliček" at 466/5 Nosticova Street in Prague for the master carpenter Josef Leffler.

After 1726 Kilián Ignác rebuilds a house in 438/13 Všehrdova Street for his brother Jindřich.

On 12 December 1726, the chapter of the Břevnov-Broumov monastery approves the proposal of Abbot Otmar Zinke for the reconstruction of the Broumov monastery. The project is prepared by Kilian Ignatius. Construction began in 1727 and was completed in 1733.

In 1727, Kilian Ignatius designs and builds the extension of the convent with a new wing connecting the old convent with the winter refectory, the construction of another wing towards the gate and the completion of the prelature for the Benedictine monastery in the Old Town of St. Nicholas. The construction is completed in 1730.

In 1727, Kilian Ignatius, for the Order of the Crusaders with the Red Star in Prague, assesses the possibility of building the Church of St. Mary Magdalene in Karlovy Vary on the site of the old church near the present-day Vřídlo and proposes two concepts. According to Kilian Ignác's project, construction did not begin until 1733, when the foundation stone was laid on 27 April. The presbytery and sacristy were completed in 1733, and the dome was added in 1736. Some sources mention construction after 1740.

In 1727, Kilián Ignác prepared a report on the condition of the Church of St. Thomas in the Lesser Town in Prague for the Augustinian Order of the Lesser Town, which was severely damaged by a lightning strike in 1723. He submitted the report on 30 March 1727, and on 26 April 1727, Prior Serafín Meltzer concluded a contract with him for the repair of the church. The nave of the church is consecrated on 17 June 1729, the church and the presbytery on 9 August 1731.

In 1728, Kilian Ignatius meets his cousin, Justus Heinrich, son of Johann Dientzenhofer, who has come from Bamberg.

On 8 January 1729, Kilian Ignatius' first wife, Anna Cecilia Popel, dies.

In the same year, Kilian Ignatius marries Anna Theresa, nee. Henrych. The witness at the wedding is Count Josef Thun. July 1736, died May 1737), Francis de Paula Antoninus de Padua Ludovicus Venceslaus (August 1737), Benno Wenceslaus Constantine Franz Ferdinand Rubner (9. October 1740, godfather was Abbot Benno Löbl), Wenceslas Joseph Maximilian Vincenc (26 August 1742, died October 1742), Anna Franz Joseph Ottilie (15 December 1743), John Baptist Joseph Neri Vincenc (1747) and Wenceslas Joseph Ignatius (1750).

In 1729-1732 Kilian Ignatius designed an extension to the Jesuit residence in Tuchoměřice.

In 1730 Kilián Ignác is appointed court builder (Hofbaumeister) at the Court Building Office. With this title, he assumes responsibility for the property subject to this office, i.e. Prague Castle, the preserve in Bubenč (today's Stromovka), the preserve at Bílá Hora, the Prague armoury and buildings on the imperial estates of Brandýs nad Labem, Poděbrady, Přerov nad Labem, Pardubice and Zbiroh.

Around 1730, the construction of a convent in the Benedictine monastery in Kladruby was initiated by Abbot Josef Sieber, according to a project by Kilian Ignác. The construction was completed in 1739. The project of Kilian Ignatius replaces the original design of the convent by Jan Blazej Santini, who died in 1723.

In 1730 Kilián Ignác designs the Church of St. John of Nepomuk in Prague, Skalka, built for the "Brotherhood under the protection of the Virgin Mary in honour of John of Nepomuk". The Brotherhood had 1,100 members, including 500 priests, 300 women and 300 men - laymen. For example, the Empress Maria Ludovica of Spain was a member of the Brotherhood. The foundation stone was laid in the same year. The actual construction of the church probably started in 1731 and was probably completed in 1738.

Between 1731 and 1737, the Invalid House in Prague Karlín, designed by Kilián Ignác and founded in 1664, was built from the funds of the foundation of Count Peter Strozzi for the accommodation and care of war invalids. In 1729, Kilián Ignác Dientzenhofer, then court builder, and Antonio Erhardo Martinelli were invited by the Imperial Chancellery to submit a project. On 18 February 1731, Kilian Ignaz went to Vienna to present the finished project to the commission, which recommended his project to the Emperor. The site was chosen on the grounds of the Crusader Order of the Red Star behind the Spital Gate in Karlín; the location above Holešovice and behind the Újezd Gate was not chosen. Of the original plan and project of Kilian Ignác, which would have created the largest Baroque complex in Bohemia, only one ninth was finally realised in 1731-1737. A cemetery chapel was built near the adjacent military cemetery, now closed, in 1753, perhaps according to Kilian Ignác's plans.

In 1731-1732, Kilián Ignác, as court builder, designed a project for the Court Building Office for the construction of the cemetery church of St. Peter in the Shackles in the village of Velenka near Nymburk and a project for the Baroque reconstruction of the Gothic church of St. Andrew in Stary Kolín.

In 1732, the construction of the Church of St. Wenceslas in Rozbělesy in Děčín was started according to the plans of Kilian Ignác on the basis of a commission from Joseph Count Thun on the site of the original church, which had been demolished. Due to lack of funds, the building was not completed until 1783 according to the plan of Kilian Ignatius, modified by Jan Václav Kosch.

In 1732, work began on the construction of the Church of St. Nicholas in the Old Town for the Old Town Benedictines according to Kilián Ignác's design. The work was completed in 1737.

In 1732, the Court Building Office in Prague begins to discuss the renovation of the Imperial Hospital in Hradčany, in the neighbourhood of the Church of St. John of Nepomuk and the convent of the Vorshilkas. The Imperial Decree of 20 September 1732 authorises the reconstruction of the hospital and allows Kilián Ignác, as the court builder, to draw up plans for the reconstruction. The reconstruction of the entire building was carried out in 1733-1737.

In 1732-1735 Kilián Ignác builds the church of St. Francis Xaversky for the Old Town Jesuits from Prague near their residence in Oparany.

In 1732, Kilian Ignatius proposes a new monastery with a church for the Vorshil women in Kutná Hora, which was founded in 1712 from the Prague New Town convent of St. Vorshila. The construction began with the laying of the foundation stone on 3 May 1735. By 1743, three wings of the monastery building were built according to the project, i.e. about half of the original project, but without the church. The monastery church was added in 1897-1901 according to a plan by Prof. Friedrich Ohmann.

In 1733, the foundation stone for the Jesuit church of St. Clement in Odolena Voda near Kralupy was laid according to the project of Kilian Ignatius. It was completed in 1735 and consecrated in 1740. An interesting fact here is that Kilián Ignác used the plan design later for the Benedictine church in Božanov in the Broumov region.

In 1733-1736 Kilián Ignác designed a modification of the façade of the church in Tuchoměřice.

In 1733 the reconstruction of the Broumov monastery is completed according to Kilian Ignatius' project. The construction is started in 1727.

In 1733-1739 the pilgrimage church of Our Lady of Sorrows in Dobrá Voda near České Budějovice was built according to the project of Kilian Ignác.

In 1734 Kilián Ignác is on a short stay in Rome.

Between 1734 and 1738, the church of St. John of Nepomuk in Nepomuk is built according to Kilian Ignatius' design, commissioned by Count Adolf Bernard of Martinice, for whom Kilian Ignatius had already designed the church in Nicov.

In 1735, Kilián Ignác appears as a builder co-signing the building reports for the construction of the Church of St. Charles the Bohemian in Prague on Zderaz in today's Resslova Street in Prague. The construction was originally started in 1730 under the direction of Pavel Ignác Bayer, but he died in 1733. The construction was taken over by Kristián Spannbrucker in 1735-1738, with whom Kilián Ignác collaborated and then completed the project independently in 1739-1740 after modifications. The church is abolished in 1783 as part of the reforms of Joseph II. Since 1933 the church has been administered by the Czech Orthodox Church as the Church of Sts. Cyril and Methodius.

In 1735 Kilian Ignatius builds a one-storey pavilion for the Jesuits in the garden in Prague's Smichov district. The building is demolished in 1930 for the construction of the outlet of the Jirásek Bridge.

Between 1735 and 1736, the old Sartorius Convent in the monastery in Břevnov is rebuilt according to Kilian Ignatius' project, where an infirmarium with a chapel is established.

In 1737-1739, the Baroque reconstruction of the Church of St. Apollinaris in Sadská was carried out according to the project of Kilián Ignác.

In 1737, Kilián Ignác was appointed chief fortress builder, effective from 30 March 1737. This position is connected with the supervision of the construction of the fortifications in Prague and Cheb. Kilián's succession to the post of Chief Fortress Builder of Prague was filled by Antonín Spannbrucker.

In 1737, Kilián Ignác designed the Church of St. Peter and Paul in Březno near Chomutov for František Michael, Count of Martinice, son of Adolf Bernard, Count of Martinice and owner of the Prunéřov estate. Construction began under the direction of the builder Jan Krystof Kosch of Kadan in 1737 and was completed in 1766 with several interruptions.

Between 1737 and 1738, Kilian Ignác's project for the improvement of the monastery garden in the monastery in Břevnov, including the construction of an orangery, was carried out.

In March 1737, the Jesuit Order in Mala Strana begins negotiations with Kilián Ignác on the completion of the tower of the Church of St Nicholas in Mala Strana. Construction began in the summer of 1737, according to plans originally submitted by Kilián Ignác in 1728. In 1745, the height of the tower and the presbytery reached the level of the main cornice of the professional house. In 1750, the end of the church and the tower were already so high that a committee of sworn builders from all three Prague towns was convened to assess the building from the ground up for fear of collapse. The commission issues a unanimous assurance that there is no danger of collapse. The dome, already with bells, is closed on 23 October 1750. The work is finally completed in 1752, a year after the death of Kilian Ignatius. Due to its monumentality and demanding architectural and artistic design, the church is considered the most artistically important Baroque building in Prague.

In 1737 Kilián Ignác became the chief fortification builder in Prague.

In 1737-1741, the church of St. Catherine at the Augustinian monastery in Prague's Nové Město was rebuilt according to Kilián Ignác Dientzenhofer's plans.

In 1737-1740 Kilián Ignác designs and builds the Langer Palace (also Pachta Palace) in Celetná Street in Prague for the knight Josef Ignác von Langer. The construction is completed in 1740.

In 1738, the construction of the Benedictine monastery in Wahlstatt, Silesia, is completed. The construction according to the project of Kilian Ignatius started in 1723, in 1726 the building with the hall was completed, in 1731 the church was finished. The monastery was consecrated in 1738 by Abbot Otmar Zinke on his 74th birthday.

On 8 September 1738, Otmar Zinke, the abbot of the Břevnov-Broumov Abbey, the initiator of the construction of the Benedictine monasteries in Břevnov, Broumov and Lehnický Pole or the so-called Broumov group of churches, dies in Broumov. He is one of the most important abbots of the order in Bohemia.

In 1739, the new abbot of the Břevnov-Broumov Abbey, Benno Löbl, commissioned Kilian Ignatius with new furnishings for the living quarters of the Břevnov prelature and new stucco decoration of the refectory.

In 1740, Kilian Ignatius designs a new entrance gate to the Benedictine monastery in Břevnov.

In 1740, Kilián Ignác, as court builder, carries out the Baroque reconstruction of the castle interiors and garden at Brandýs nad Labem Castle.

In 1741, the former fortress in Kladno was rebuilt into a three-storeyed winged castle for the Břevnov monastery according to Kilián Ignác's project.

In 1741-1744 Kilián Ignác designed plans for the reconstruction of the Gothic church in Hořice. The Hořice estate was given to the foundation for war invalids established by Peter Strozzi, which implemented the project of building the Prague Invalid House.

In 1743, Kilián Ignác, as the court builder of Prague Castle, prepared a project for the reconstruction of the Spanish Hall, which mainly addressed its dilapidated state. The project is suspended after the Prussian invasion. The actual construction under the direction of Kilian Ignác did not take place until 1747. The hall is still being worked on in 1750, with construction continuing from 1754 by Anselmo Luragho, Kilian's successor as court builder.

Between 1743 and 1751 Kilian Ignatius designs and builds the Sylva-Taroucca Palace in Prague on Národní třída for Prince Ottavio Piccolomini; after Kilian Ignatius' death in 1751, Anselmo Luragho completes the building in 1752.

In 1743-1744, Kilian Ignatius, as court builder, prepared plans for the rebuilding of the burnt-out castle on the imperial estate of Králův Dvůr. The construction was authorized by Franz Lorraine in 1744.

In 1744, the construction of the Church of St. James in Červený Kostelc near Náchod, the estate of Prince Ottavio Piccolomini, is started under the direction of the builder František Kermer, perhaps according to the plans of Kilian Ignác and at the expense of Octavio Piccolomini. The building was completed in 1754.

Between 1745 and 1748, the Baroque reconstruction of the Augustinian monastery in Domažlice, at the north and west wings of the convent, according to the plans of Kilian Ignatius, takes place.

Perhaps in 1745 (or 1735) the Chapel of the Visitation of the Virgin Mary is built near the town of Radnice in the Rokycany region according to the plans of Kilian Ignatius.

In 1746, Kilián Ignác proposes the reconstruction of the ambulatory in Prague's Loreto at Hradčany. Construction began in 1747 and was completed in 1751.

In 1746-1747 Kilián Ignác designs and builds an administrative building and a chapel on the Hrdly estate.

In January 1746 a fire damages the Benedictine monastery of Sázava. Abbot Anastazius Schlanczovský then decides to rebuild the monastery extensively according to Kilián Ignác's design. A report from 1753 speaks of an almost completed building.

On 17 August 1746 the foundation stone of the new Church of the Assumption of the Virgin Mary in Dolní Ročov at the Augustinian monastery was laid according to the project of Kilian Ignatius. The original church is severely damaged in a flood in 1745. The construction of the church is completed in 1750, when it is consecrated on 4 April. In 1751 the foundation stone of the new convent building is laid.

In 1747, the construction of St. Martin's Church in Chválenice u Plzně is started according to the plans of Kilian Ignatius, who supervises the construction from 1747 to 1749. The construction is completed in 1753.

In 1747 (or 1748) Kilián Ignác proposes a project for the construction of the Church of St. Peter and Paul in Kostelc nad Ohří. The construction is started in 1749, but it is not consecrated until 1758.

In 1748, Kilián Ignác designs and builds a manor house on the Sloupno estate for the abbot of the Břevnov monastery, Benno Löbl.

In 1748-1750 Kilián Ignác designed the church of St. John the Baptist in Paštiky near Blatná for the owner of the Blatná estate, Maria Aloysia Countess Serenyi. At the same time, he probably drew up plans for the reconstruction of the Church of the Transfiguration of the Lord on Křesovec Hill near Pacelice near Blatná, where the reconstruction was not realised until 1763.

In 1750, the construction of the Church of the Assumption of the Virgin Mary in Přeštice, which belongs to the monastery in Kladruby, according to the plans of Kilian Ignatius, was started. Construction takes place between 1750 and 1775. Kilián Ignác is in charge of the construction until his death. The construction of the church is supplemented by the building of the rectory, originally according to the plans of Kilian Ignatius, but the current form is only a torso of the design.

In 1750, Kilian Ignatius proposed a project for the reconstruction of the castle in Buštěhrad for Maria Anna Carolina, Duchess of Bavaria, to whom he sent the project to her residence in Munich that year. The reconstruction work did not start until May 1751, and after the death of Kilian Ignatius it was completed by Anselmo Luraghe in 1753.

In 1750, Kilian Ignatius designs and builds the addition of the summer refectory wing and library in the monastery at Břevnov and the garden pavilion of Vojtěška.

In 1750 Kilián Ignác designs and builds a Benedictine residence for the Broumov Abbey in Meziměstí near Broumov.

On 23 October 1750, the dome of the Jesuit Church of St. Nicholas in Mala Strana is closed and the tower is brought to its top. The construction was carried out according to the project of Kilian Ignatius from 1737. However, by the time the tower was completed, Kilián Ignác was already seriously ill and was replaced by Anselmo Luragho. Kilian Ignatius dies in December 1751 and does not see his most monumental building, symbolically linked to his father's work, completed.

In 1751, the foundation stone for the Chapel of St. Florian in Kladno is laid by Abbot Benno Löble according to Kilian Ignatius' design. However, both did not live to see the completion, dying in December 1751. The construction is completed by Anselmo Luraghe.

Kilián Ignác Dientzenhofer dies on 18 December 1751 in Prague at the age of 62.

Kilián Ignác is buried in a tomb in the Church of St. Mary Magdalene in Prague's Lesser Town. After the dissolution of the church in 1783, Kilián Ignác's remains, as well as those of his father Kryštof and other family members, were collected and transferred to the Malá Strana Cemetery, which was closed in 1884 and the exact burial place lost.

From both marriages of Kilian Ignatius, i.e. to Anna Cecilia Popel in 1719-1729 and to Anna Theresa née Hendrych in 1729-1721, a total of 13 children reached adulthood. None of the children pursued building or architecture. Anna Theresa died on 31 August 1774, 23 years after the death of Kilian Ignatius.

Kilian Ignatius was succeeded by Anselmo Luragho (9 January 1701-29 November 1765), who was also appointed court architect on 27 March 1752.