Guillaume was born in 1280, the son of unknown parents. The place is not known.
He died in 1367. The place is not known.
His wife is not known. They were married, but the date and place have not been found. Their only known child was Guillaume II (1310-1354).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | 1280 |
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| Death | 1367 |
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