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

William I de was born about 1109 in Workington, Coupland, England.  William I de's father was Gilbert de LANCASTER and his mother was Goditha de TAILLEBOIS.  His paternal grandparents were Ketel of KENDAL and Christina TAILLEBOIS.  He was an only child.  He died in 1170 in Kendal, Wstmoreland, England.


William I de's family with Gundred de WARRENNE

They had a son named William II (Sir) de.