- Born on May 10, 1727
Parents
- Jean-Henri du Mesnil-Simon, écuyer, seigneur de Marnay
- Marie de La Violette (c. 1690 - 1748)
Family
- Married on January 23, 1759 in Plassay, with Marie Pissonnet de Bellefonds, dame de L'Epine, issuing
- Guillaume Louis Pierre (1759 - 1769)
Marie-Anne (1761 - )- Louis Jules Paulin (1769 - )
Occupations
- lieutenant-colonel des grenadiers royaux de la Lorraine
- capitaine au régiment de la Sarre