- Born in 1429
- Deceased in 1457, at the approximate age of 27 years
- Burial on November 1, 1457
Parents
- Gilles de Montmorency-Laval, Gilles de Rais (1405 - 1440), chevalier, baron de Rais, compagnon d'armes de Jeanne d'Arc, maréchal de France
- Catherine de Thouars (1404 - 1462), dame de Pouzauges
Family
- Married on July 5, 1444, with Prigent de Coëtivy (1399 - 1450)
- Married in February 1451 in Vitré, with André de Montfort-Laval, André de Lohéac (1411 - 1486), seigneur de Lohéac, compagnon d'armes de Jeanne d'Arc, maréchal de France