Category:William I, Count of Holland

**William I, Count of Holland**
	Count of Holland from 1203 to 1222
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Name in native language	Willem I van Holland;
Date of birth	1167 (statement with Gregorian date earlier than 1584); The Hague
Date of death	4 February 1222, 1222; The Hague
Place of burial	Rijnsburg;
Position held	count of Holland (1203–1222);
Noble title	count; graf;
Family	House of Holland;
Father	Floris III;
Mother	Ada of Huntingdon;
Sibling	Florence of Holland; Dirk VII, Count of Holland; Ada of Holland;
Child	Floris IV, Count of Holland; Otto III van Holland; Ada of Holland;
Spouse	Adelaide of Guelders (1197–); Maria of Brabant (1220–);
Authority file
	Q77251; VIAF ID: 81604982; GND ID: 137409850
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