- Born on January 16, 1740
Parents
- Étienne Gassot de Deffens (1708 - 1762), chevalier, seigneur de Deffens
- Anne Rose Moreau de Chassy (1711 - 1793)
Family
- Married on May 15, 1775 at château de Monteaux, with Marguerite Bernard de Montebise, issuing
Anne (1781 - 1815)
Occupations
- officier de dragons