- Born on September 23, 1726 in Guipavas
- Deceased on January 19, 1776 in this municipality, at the age of 49 years
Parents
- Guillaume-Claude Le Mercier (c. 1690 - 1729), écuyer, seigneur de Beaurepos
- Bonaventure de Kerléan (1709 - 1744), dame de Kerhuon
Family
- Married on July 3, 1742 in Guipavas, with Marie Michel Fontaine de Mervé (1725 - 1780), chevalier, seigneur de La Bomerie, lieutenant des vaisseaux du Roi, issuing
Charles Marie (1742 - 1795)- René Marie Michel (1744 - 1792)