- Born on February 12, 1697
- Deceased on March 11, 1785 in Saint-Waast, at the age of 88 years
- Burial the next day in Frévent
Parents
- Nicolas de Belloy ( - aft. 1698), chevalier, seigneur de Buire
- Anne de Fontaines
Family
- Married on August 13, 1718 in Auxi-le-Château, with Philippe-Joseph de Gargan (1692 - 1761), issuing
- Louise Élisabeth Françoise (1719 - 1750)
- Marie Constance Joseph (1720 - 1743)
Julien Joseph (1721 - 1743)- Hector Antoine Joseph (1723 - 1794)
- Marie François (1725 - 1726)
- Antoine Gaston Joseph (1726 - 1726)
- Louis Joseph (1727 - 1727)
- Louis Ambroise Joseph (1729 - 1787)
- Charles Louis Joseph (1730 - 1808)
- Charlotte Françoise Joseph (1731 - 1732)
- François Joseph Druon (1737 - 1807)