- Born on January 20, 1708 in Landerneau
- Baptized at église Saint-Houardon
- Deceased on May 23, 1751 in Quimper, at the age of 43 years
- Burial at cathédrale Saint-Corentin
Parents
- François-Claude Léon (1672 - 1731), sieur de Tréverret, conseiller-secrétaire du Roi, notaire et procureur de la cour royale de Brest
- Marie Héliès (1682 - 1717), comtesse de Boiséon
Family
- Married on October 17, 1735 in Quimper, with Françoise Corentine Mauricette de Kernafflen (1715 - 1790), issuing
- Jean Alain (1736 - 1782)
- François Marie (1738 - 1814)
Marie Louise (1747 - 1808)