- Born on February 1, 1759 in Montpellier
- Baptized on February 26, 1759 in this municipality
- Deceased on May 4, 1808 in Paris, at the age of 49 years
Parents
- Charles O'Brien (1699 - 1761), Earl of Thomond, maréchal de France, mainteneur de l'Académie des Jeux floraux
- Marie Geneviève Louise Gaultier de Chiffreville (1736 - 1763)
Family
- Married on August 22, 1775, with Antoine César de Choiseul-Praslin (1756 - 1808), duc de Praslin, pair de France, député aux états généraux de 1789, issuing
Charles Félix (1778 - 1841)- Alphonse Charles Guy (1780 - 1802)
- Anathée Laure Zoé (1782 - 1783)
- Anatole Laure Zoé (1782 - 1783)
- Antoine Ferry (1785 - 1786)
- Lucie Virginie (1794 - 1834)