- Born on August 25, 1729 in Vieil-Hesdin
- Deceased on October 5, 1793 in Hesdin, at the age of 64 years
Parents
- Jean de Salperwick de Grigny (1690 - 1770), marquis de Grigny
- Gabrielle de Lannion ( - 1760)
Family
- Married on May 19, 1760 in Vieil-Hesdin, with Marie Le Fèvre de Milly (1727 - 1795), issuing
- Eugène (1765 - 1851)
Occupations
- grand bailli héréditaire de la ville d'Hesdin
- officier de cavalerie au régiment de Noailles