Santa Cecilia in Trastevere
He was ordained into the priesthood on 17 January 1730. On 25 May 1735 he was appointed the Latin Patriarch of Antioch, and on 30 May he was ordained a bishop. On 9 September 1743, he was elevated to cardinal, and appointed Cardinal-Priest of Santi Quattro Coronati. He was subsequently appointed Cardinal-Priest of Santa Cecilia in Trastevere on 10 April 1747, and then Cardinal-Priest of Santa Maria in Trastevere on 9 April 1753.