French army officer and administrator.

Governor of Castillon and Castillonnès. Grand sénéchal of the Comté d’Armagnac. Colonel of the Couronne regiment.

Son of Jean-Baptiste and Françoise-Jeanne- Yolande (de Mirmand d’Arennes) de Polastron. Married (1) Jeanne-Charlotte Hérault (1746); one daughter, Yolande-Marie-Gabrielle de Polastron, who married Jules-François- Armand, comte de Polignac. Married (2) Anne- Charlotte de Noé (1767).