Roger was the son of Roger-Bernard II (IV) de Foix-Castelbon and Gérarde de Navailles. The date and place of his birth have not been found.
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Roger-Bernard II (IV) de Foix-Castelbon |
Roger-Bernard I (III) de Foix-Castelbon |
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Constança Pérez de Luna |
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Gérarde de Navailles |
Garcie-Arnaud V de Navailles |
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Bernarde de Miramont |
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