- Born on May 15, 1726 in Barville
- Deceased on April 15, 1795 in Neufchâteau, at the age of 68 years
Parents
- Louis d'Errard, Louis des Errards (c. 1680 - ), écuyer, capitaine de cavalerie au régiment de Rougecourt
- Marguerite Bonne Massy
Family
- Married on February 15, 1769 in Bar-le-Duc, with Marie Jeanne Antoinette de Cheppe (1740 - 1802), issuing
Marie Françoise (1775 - 1835)
Occupations
- capitaine au régiment de Hainaut
Distinctions
- chevalier de l'ordre de Saint-Louis