- Born on August 17, 1746 in Piré-sur-Seiche
- Baptized on September 15, 1746 in Rennes, at église Saint-Pierre-en-Saint-Georges
- Deceased on June 4, 1824 in this municipality, at the age of 77 years
Parents
- Guillaume de Rosnyvinen (1712 - 1796), marquis de Piré, président de la noblesse des états de Bretagne
- Louise de Visdelou (1713 - 1767)
Family
- Married on February 3, 1766 in Paris, with François de Visdelou (1742 - 1820), marquis de La Chesnelaye, issuing
François Hippolyte (1769 - )- Gaston François (1782 - )