Guillaume was the son of Olivier IV de Clisson and Jeanne de Belleville. The date and place of his birth have not been found.
Olivier IV de Clisson |
Olivier III de Clisson |
Olivier II de Clisson |
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Isabeau de Craon |
Maurice de Craon |
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Mahaut de Mechelen |
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Jeanne de Belleville |
Maurice IV de Belleville-Montaigu |
Maurice III de Belleville-Montaigu |
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Jeanne de Châteaumur |
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Létice de Parthenay-l'Archevêque |
Guillaume VI de Parthenay-l'Archevêque |
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Jeanne de Montfort-le-Rotrou |