Guillaume Mercer
- Born on December 16, 1720 in Plouider
- Deceased on May 19, 1779 in this municipality, at the age of 58 years
Family
- Married on July 18, 1747 in Plouider, with Louise Pengam (1727 - 1801), cultivatrice, issuing
Catherine (c. 1758 - 1836)