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Male William, 1st Lord De Ros OF HELMSLEY Click to view William, 1st Lord De Ros OF HELMSLEY in the family tree

William, 1st Lord was born about 1255.  William, 1st Lord's father was Robert de ros Baron Ros of Helmsley & Belvoir, Co. Leicester and his mother was Isabel D'Aubigny.  His paternal grandparents were Sir william de ros and Lucy fitz piers; his maternal grandfather was William D'Aubigny Of Belvoir. He had a sister named Isabel.  He died in 1316.


William, 1st Lord's family with Maud de Vaux

They had a daughter named Agnes.

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