A naval officer and landowner near Nantes, he joined the revolt that began in that region in March 1793 against the government of the revolutionary National Convention. After fighting in the royalists' siege of Nantes (June–July) and the Battle of Torfu (September 19), he quarreled with other rebel leaders. In October 1793 he withdrew his peasant guerrillas to the Poitevin Marshes (Marais), where he directed Vendéan resistance until he surrendered and was pardoned by the government (Feb. 17, 1795). On June 26, 1795, however, he declared his allegiance to the exiled comte de Provence, who had recently assumed the title of King Louis XVIII. The next day he fought on the side of royalist émigrés who unsuccessfully invaded the country at Quiberon Bay (Morbihan). Eventually, he was captured and shot by the republican general Lazare Hoche.