- Born on August 22, 1721
- Deceased in 1758, at the approximate age of 36 years
Parents
- Henri Coignet (1687 - 1745), comte de Courson, grand bailli d'épée et gouverneur d'Auxerre
- Marie Charlotte Colbert
Family
- Married on March 23, 1757 in Croissy-sur-Seine, with Marguerite Fayard de Champagneux ( - 1782)
Occupations
- grand bailli d’Auxerre
- major du régiment de Bourgogne cavalerie
Distinctions
- chevalier de l'ordre de Saint-Louis