- Born on January 22, 1767 in Mons
- Deceased on July 14, 1808 at Quévy-le-Petit, at the age of 41 years
Parents
- Alexandre Louis de Behault de Warelles (1718 - 1787)
- Marie Hélène Jacqueline de Sterling (1732 - 1791)
Family
- Married on June 30, 1794 in Mons, with Joséphine de Blois de Quartes (1770 - 1829), issuing
Marie Désirée (1800 - 1873)
Occupations
- avocat au conseil souverain du Hainaut
- mayeur du chapitre de Sainte-Waudru