a French prelate, was born at the castle of St. Mards-les-Ancenis, January 2, 1735. After he had finished his studies, he entered into orders, and followed cardinal Bernis to Rome, to the conclave which elected Clement XIV, in 1769. On December 24 of the same year he was nominated bishop of St. Brieuc, and was transferred to the bishopric of Bayonne in 1774, and to the episcopal see of Lisieux, where he remained until 1790. He refused to take the oath to the civil constitution of the clergy, and left France in 1791. He was pursued by the French soldiers, and retired to Bavaria, where he died, May 15, 1799. See Hoefer, Nouv. Biog. Generale, s.v.