Isabelle was the daughter of Gaucher V de Châtillon and Isabelle de Dreux. The date and place of her birth have not been found.
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Gaucher V de Châtillon |
Gaucher IV de Châtillon |
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Isabelle de Villehardouin |
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Isabelle de Dreux |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | abbesse de Notre-Dame de Soissons |