- Born on August 6, 1746 in Rennes
- Deceased on January 21, 1794 in this municipality, at the age of 47 years
Parents
- Charles Marie du Plessis de Grenédan (1700 - 1776), chevalier, marquis de Grenédan
- Élisabeth Montaudoüin (1705 - 1784), dame de La Clartière
Family
- Married on May 9, 1769 in Rennes, with Joseph Victor du Breil de Pontbriand (1724 - 1784), comte de Pontbriand, capitaine de cavalerie au régiment de Lorraine, issuing
- Charlotte Marie Agathe (1770 - )
Augustin (1772 - 1852)- Louis (1774 - 1836)
- Toussaint (1776 - 1844)
- Marie-Ange (1777 - 1856)
- Jérôme (1779 - 1835)
- Marie Joseph (1780 - 1837)
- Sainte Sylvie Angélique (1782 - 1839)