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Male William I De+ Ros Click to view William I De+ Ros in the family tree

William I De+ was born about 1180 in Helmsley, Yorkshire, England.  William I De+'s father was Robert De+ Ros and his mother was Isabella Of+ Scotland.  His paternal grandfather was Everard De+ Ros and his paternal grandmother is Roysia+ Trussebut; his maternal grandparents were William I Of+ Scotland and Isabel+ Avenell. He had a brother and a sister, named Robert De+ and Joan De.  He was the oldest of the three children.  He died in 1258.


William I De+'s family with Lucia+ Fitzpiers

They had two sons and a daughter, named Robert De+, William De+ and Lucy De.


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