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Male William de WALDEBEOFF Click to view William de WALDEBEOFF in the family tree

William de was born about 1278 in Isle of Man, British Crown Dependency.  William de's father was John (Humphrey) de WALDEBEOFF and his mother was Mary FitzReginald Heiress of the Isle of Man UNKNOWN.  His maternal grandparents were Reginald V Olafsson King of the Isle of Man UNKNOWN and Mary de ERGADIA.  He was an only child.


William de's family

He had a biological daughter named Joice de.