Isabeau was the daughter of Mathieu IV (V) de Montmorency and Jeanne de Lévis-Mirepoix. The date and place of her birth have not been found.
Her husband was Roques de Hangest. They were married, but the date and place have not been found. They had no known children.
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Mathieu IV (V) de Montmorency |
Mathieu III de Montmorency |
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Jeanne de Brienne-Ramerupt |
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Jeanne de Lévis-Mirepoix |
Gui III de Lévis-Mirepoix |
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Jeanne de Bruyères |
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Isabelle de Montmorency |
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