Distinguished French army officer.
Entered the French army (1731); served with distinction in the War of the Austrian Succession and the Seven Years’ War. Rose to the rank of lieutenant general (1758). Entered the Spanish service (1762). Led Spanish expedition to capture Minorca (1782). Author of Mémoires militaires (1791).
Married Elisabeth Couvay in 1742; two sons, including Félix-François-Dorothée, comte de Crillon. Married Eléonore-Julie de La Rabatelière in 1762. Married Josèphe- Athanase-Roman-Garmon Spinosa de Los- Monteras, duchesse de; two children.