Isabeau was the daughter of Jean I du Bellay and Jeanne Souvain. The date and place of her birth have not been found.
Her husband was Jean de Coulaines, who she married in 1389. The place has not been found. They had no known children.
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Jean I du Bellay |
Hugues VI du Bellay |
Hugues V du Bellay |
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Jeanne Souvain |
Pierre Souvain |
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Jeanne d'Ancenis |
Geoffroy VI (IX) d'Ancenis |
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Blanche d'Avaugour |
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