- Born on August 6, 1746 in Saint-Omer
- Baptized at église Sainte-Aldegonde
- Deceased on December 16, 1798 in London, at the age of 52 years
Parents
- Nicolas Dominique Munier de Marigna ( - 1754), seigneur de Chavannes, procureur du Roi à la maîtrise des eaux et forêts de Saint-Omer
- Marguerite Joséphine Butay
Family
- Married on February 27, 1775 in Saint-Omer, at église Saint-Jean-Baptiste, with Nicolas François Grenet de Florimond, issuing
Alexandre Joseph- Dorothée (1779 - 1851)