Guillaume was the son of Jean III de Barbançon and Jeanne de Montchâlons. The date and place of his birth have not been found.
His wife was Philipotte de Pottes. They were married, but the date and place have not been found. They had no known children.
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Jean III de Barbançon |
Jean II de Barbançon |
Jean I de Barbançon |
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Marie d'Antoing |
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Eustache dite Isabeau d'Argies |
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