François Séraphin de Biencourt
- Born on May 4, 1740 in Vernon
Parents
- Louis Charles de Biencourt (1681 - 1744), grand bailli d'ardres et du comté de guines
- Jeanne de Mauvielle
Family
- Married on October 18, 1770, with Anne de Fontette (1748 - ), issuing
- Adam (1774 - 1822)