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

William was born in 1270 in Wark Castle,Wark-on-Tweed,Northumberland.  William's father was Robert IV de Ros and his mother was Margaret de Brus.  His paternal grandparents were William De Ros and Lucia Fitzpiers; his maternal grandparents were Peter Piers de Brus and Hawise de Lancaster. He had a brother named William III.  He was the younger of the two children.


William's family with Devorguila UNKNOWN

They had a son named Thomas.

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