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Male William I of Holland Click to view William I of Holland in the family tree

William I of was born in 1167.  William I of's father was Floris III the Crusader de Holland and his mother was Ada of Huntingdon.  His paternal grandparents were Dirk VI de Holland and Sophia von Rheineck; his maternal grandparents were Henry Dunkeld of Huntingdon and Adelaide (Ada) de Warenne. He had a brother named Dirk VII.  He was the younger of the two children.  He died at the age of 55 in 1222.


William I of's family with Adelheid von Guelders

They had two sons and a daughter, named Gerard III, Floris IV and Irmgard von Geldern.

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