- Born on June 11, 1740 in Rennes
- Deceased on August 15, 1740 in this municipality, in infancy
Parents
- Claude-Barthélemy de Bonnefons (1701 - 1742), écuyer, receveur général des domaines et bois de Bretagne, conseiller du Roi
- Marie-Hyacinthe Ralet (1720 - 1797)