Санти-Куаттро-Коронати
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.