Willem was born about 1226 in Santpoort, Nether Regions, the son of unknown parents.
He died on 03 JUN 1285. The place is not known.
His wife was Hillegonda van Voorne, who he married in AFT 1282. The place has not been found. Their only known child was Dirk II (c1256-1316).
| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | ABT 1226 |
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| Death | 3 JUN 1285 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | heer van Brederode |