Guillaume was born in 1356, the son of Eudes III de la Roche-Bernard and Béatrice de Craon. The place is not known.
His wife was Amicie de Rostrenen. They were married, but the date and place have not been found. They had no known children.
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Guillaume de la Roche-Bernard |
Eudes III de la Roche-Bernard |
Péan de la Roche-Bernard |
Eon II de la Roche |
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Hermine de Lohéac |
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Isabeau de Laval |
Guy IX de Montmorency-Laval |
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Béatrice de Craon |
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| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | 1356 |
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