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- Born on August 5, 1740 in Charroux
- Deceased on January 16, 1797, at the age of 56 years
Parents
- François Loyzeau (1693 - 1771), sieur de Grandmaison, procureur fiscal de la vicomté de Rochemeaux, bourgeois Charroux
- Marie-Anne Robert (1701 - 1773), dame de Champgaillard