Parents
- Charles de Maillé de La Tour-Landry (1770 - 1837), duc de Maillé, premier gentilhomme de la chambre du Roi Charles X, pair de France
- Henriette Victoire de Fitz-James (1770 - 1809)
Family
- Married on October 29, 1816 in Paris, with Edmond de La Croix de Castries (1787 - 1866), duc de Castries, maréchal de camp
- Relationship with Viktor von Metternich-Winneburg (1803 - 1829), issuing
Roger (1827 - 1906)
- Relationship with Honoré Balzac, alias Honoré de Balzac (1799 - 1850), romancier, dramaturge, separated