Parents
- Louis Ier de Beffroy ( - 1728), écuyer, seigneur de Germont, capitaine-commandant au Régiment de Royal-Roussillon-Cavalerie
- Juvine de Roujoux (1672 - 1757)
Family
- Married on September 13, 1735 in Olizy-Primat, with Sébastienne de Dalle (1719 - 1782), issuing
Charlotte-Louise (1741 - 1808)
Louis-Sébastien (1750 - 1818)- Paul Valentin Gabriel (1751 - aft. 1778)