- Born on September 5, 1772
- Deceased on August 25, 1795 in Vannes, at the age of 22 years
Parents
- Joseph-Marie Grignart de Champsavoy, alias le Comte de Champsavoy (1722 - 1803), chevalier, comte de Brullon, page de la grande écurie du Roi
- Renée Louise Milon de Bellevue