- Born on May 30, 1751 in Humerœuille
- Deceased on September 25, 1821 in Saint-Pol-sur-Ternoise, at the age of 70 years
Parents
- Jacques Onuphre François de Belvalet (1713 - 1791), marquis d'Humerœuille
- Charlotte Éléonore de Fléchin (1721 - 1781)
Family
- Married on June 8, 1784 in Humières, with Louise Léocadie Hubert (1762 - aft. 1840), issuing
- Charles (1786 - 1840)
Occupations
- maire de Saint-Pol-sur-Ternoise
- émigré durant la Révolution française