Guillaume was the son of Louis I de Parthenay-l'Archevêque and Louise de Beaumont-Bressuire. The date and place of his birth have not been found.
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Louis I de Parthenay-l'Archevêque |
Guy I de Parthenay-l'Archevêque |
Guillaume VI de Parthenay-l'Archevêque |
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Marguerite de Thouars |
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Jeanne d'Amboise |
Hugues I d'Amboise |
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Louise de Beaumont-Bressuire |
Pierre II de Beaumont-Bressuire |
Pierre I de Beaumont-Bressuire |
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Jean Martel |
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