Guillaume was the son of Guillaume de Grandson and Jeanne de Vienne. The date and place of his birth have not been found.
He died in AUG 1381. The place is not known.
His wife was Jeanne de Saint-Dizier, who he married in BEF 1380. The place has not been found. They had no known children.
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Guillaume de Grandson |
Guillaume de Grandson |
Pierre II de Grandson |
Jacques de Grandson |
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Blanche de Savoie-Vaud |
Louis I de Savoie-Vaud |
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Jeanne de Montfort |
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Jeanne de Vienne |
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| Event | Date | Details | Source | Multimedia | Notes |
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| Death | AUG 1381 |
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