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Male William I de Lancaster Click to view William I de Lancaster in the family tree

William I was born before 1100 in Lancaster, England.  William I's father was Gilbert de Lancaster of Kendal and his mother is UNKNOWN Godith.  His paternal grandfather is Ketel Kendal.  He was an only child.  William I is no longer alive.


William I's first family with Gundrada de Warenne

They had a son and a daughter, named William II and Avice.


William I's second family

He had a biological son named Gilbert.

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