Isabeau was the daughter of Barthélémy I de Montbazon and Marie de Dreux. The date and place of her birth have not been found.
Her husband was Jean de l'Isle-Bouchard de Buei. They were married, but the date and place have not been found. They had no known children.
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Barthélémy I de Montbazon |
Geoffroi Savary Payen de Montbazon |
Pierre III de Montbazon |
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Jeanne de Vendôme |
Jean de Vendôme |
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Alix du Fresne |
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Marie de Dreux |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | dame de Montevrault |