Commissaire de guerre, administrator, littérateur. Premier secrétaire de l’intendant de Franche-comté.

Sent with Lafayette to America to prepare for the arrival of Rochambeau’s army (1780). Breveted lieutenant colonel of cavalry in the American Army.

Samuel Cooper arranged his membership in the American Academy of Arts and Sciences. Passenger aboard the Alliance (1781).

Vergennes’ liaison with the new minister. Procureur du roi (1785). Active during the French Revolution. Corresponded with Voltaire. Associate member of the Academies of Besançon and Metz.

Born in Metz in either 1738 or 1754. Married to Anne Mangeot.