- Born on December 19, 1747 in Redon
- Deceased on October 2, 1801 in La Haie-Fouassière, at the age of 53 years
Parents
- Gabriel Osmond (1699 - 1758), écuyer, seigneur du Manoir, gendarme de la seconde brigade de Bretagne
- Françoise Le Gall (1702 - 1782), dame de Lanruas
Family
- Married on May 3, 1782 in Redon, with Marie Hyacinthe Lambart (1730 - 1799)
- Married in 1798, with Marie Françoise La Haye de Silz (1757 - ), issuing
Françoise Eugénie ( - 1863)- Jean Pierre (1799 - 1884)