Blanche was the daughter of Raymond-Bernard II de Castelnau-Tursan and Bearnèse de Foix. The date and place of her birth have not been found.
Her husband was Guillaume Raymond de Lescun. They were married, but the date and place have not been found. They had no known children.
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Raymond-Bernard II de Castelnau-Tursan |
Pierre de Castelnau-Tursan |
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Bearnèse de Foix |
Gaston Phœbus de Foix-Béarn |
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