Commandant of Cherbourg.
Accompanied his father, intendant of the maréchal de Broglie’s army, in the Hanover campaign. Volunteer in the Des Cars cavalry regiment (1757); captain (1761). Chevalier de Saint-Louis (1763). Aide-maréchal des logis in Corsica (1768). Commandant of Cherbourg (1778-89). Lieutenant general (1792), minister of war, and commander in chief of the French army during the Revolution. Defected to Austria (1793).
Son of Anne-François and Sophie-Eléonore- Ernestine (Patissier de Châteauneuf) du Périer Dumouriez.