A dfaughter o Louis de La Trémoille (1612-1666), Marquis then Duke o Noirmoutier an his wife Renée Aubery, herself a daughter o fille de Jean Aubery Seigneur o Tilleport. Her younger brither wis Louis Alexandre de La Trémoille, Marquis o La Trémoille. Another brither wis Antoine François de La Trémoille (1652-1733), Duke o Royan.