- Born circa 1751 in Châteauneuf-du-Faou
- Baptized in this municipality
Parents
- Gabriel-Julien Crouëzé (1706 - 1777), sieur du Mur
- Catherine-Vincente Le Lay
Family
- Married on September 22, 1777 in Morlaix, with Alexandre-Marie de Guernisac (1747 - ), écuyer, chevalier, issuing
- Suzanne-Louise (1778 - 1869)