Willem was born about 1167 in La Haye (Den Haag, 's-Gravenhage, the Hague), Holland, Nether Regions , the son of Floris III van Holland and Ada d'Huntingdon.
He died on 04 FEB 1222 in Rijnsburg, Katwijk, Zuid-Holland, Nederland.
His wife was Aleid van Gelre, who he married in 1197. The place has not been found. Their five known children were Floris IV (1210-1234), Otto (?-1249), Willem (?-1238), Ada (1208-1258) and Ricardis (?-c1262).
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Willem I van Holland |
Floris III van Holland |
Dirk VI van Holland |
Floris II van Holland |
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Gertrude de Lorraine |
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Sophie von Salm |
Otto von Salm |
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Gertrud von Northeim |
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Ada d'Huntingdon |
Henri de Northumberland |
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Ada de Warenne |
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| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | ABT 1167 |
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| Death | 4 FEB 1222 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | FROM 1203 TO 1222 | graaf van Holland (comte de Hollande) en Zeeland |
Note 1