- Born on June 2, 1767 in Rennes
- Deceased on March 18, 1842 in this municipality, at the age of 74 years
Parents
- Charles Augustin du Plessis de Grenédan (1734 - 1781), chevalier, marquis de Grenédan
- Louise de Maillé (1743 - 1767)
Family
- Married on January 14, 1795 in Rennes, with Jeanne Le Sénéchal du Vauhello (1762 - 1836), issuing
- Louis Aimé Guillaume (1796 - 1875)
- Hippolyte Charles (1799 - )
Aimée (1800 - 1869)- Jeanne Gabrielle (1802 - )
- Elisabeth (1804 - )
- Charles (1806 - 1866)
Occupations
- député d'Ille-et-Vilaine
- maire de Rennes (1792 - 1793)
- maire de Saint-Avertin
- avocat