- Born on January 8, 1660
- Deceased on March 9, 1740 in Bousbecque, at the age of 80 years
Parents
- Guillaume Le Vaillant (c. 1623 - 1710), baron de Bousbecque
- Anne de Haynin
Family
- Married on February 8, 1707, with Marie de Pamart (1682 - 1731), issuing
- Pierre (1709 - 1754)
Marie Françoise (1714 - 1780)