- Born on October 26, 1750 in Brunehamel
- Deceased on May 22, 1778 in Paris, at the age of 27 years
Parents
- Charles Antoine de Wignacourt (1727 - 1759), marquis de Wignacourt
- Constance-Françoise d'Usson (1725 - 1754)
Family
- Married on August 18, 1771 in Paris, with Timoléon de Cossé-Brissac (1746 - 1813), duc de Cossé, membre du Sénat conservateur, lieutenant-général d'infanterie, issuing
