Isabelle was born about 1410, the daughter of Gaston I (IV) de Foix and Marguerite d'Albret. The place is not known.
She died about 1459. The place is not known.
She had two marriages/partners. Her first husband was Jacques de Pons. They were married, but the date and place have not been found. Their three known children were Guy (1431-1509), Louise (c1425-?) and Gaston (?-?).
Her second husband was Pedro de Peralta. They were married, but the date and place have not been found. Their only known child was Ana (?-?).
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Isabelle de Foix-Grailly |
Gaston I (IV) de Foix |
Archambaud de Grailly |
Pierre II de Grailly |
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Rosamburge de Périgord |
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Isabelle de Foix-Castelbon |
Roger-Bernard II (IV) de Foix-Castelbon |
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Gérarde de Navailles |
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Arnaud VIII (IX) Amanieu d'Albret |
Bernard-Aiz V (II) d'Albret |
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Mathe d'Armagnac |
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Marguerite de Bourbon |
Pierre I de Bourbon |
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Isabelle de Valois |
| Event | Date | Details | Source | Multimedia | Notes |
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| Birth | ABT 1410 |
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| Death | ABT 1459 |
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