Marguerite was the daughter of Hugues III (IV) de Castelnau and Maralde de Canillac. The date and place of her birth have not been found.
Her husband was Marquès III de Cardaillac. They were married, but the date and place have not been found. They had no known children.
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Hugues III (IV) de Castelnau |
Maffre III de Castelnau |
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Alasie de Calmont d'Olt |
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Maralde de Canillac |
Marques de Canillac |
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Guillaume de Poitiers-Valentinois |
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Luce de Beaudiner |
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