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

William III was born in 1290 in Hamlake Manor, Helmsley, Yorkshire, England.  William III's father is William II De Ros and his mother is Maud De Vaux.  His paternal grandparents were Robert De Ros and Isabel De Albini; his maternal grandparents were John De Vaux and Sibel De Longchamps. He had two sisters named Agnes and Margaret.  He was the second oldest of the three children.  He died at the age of 53 on February 3rd, 1343 in Kirkham Priory, Kirkham, Yorkshire, England.


William III's family with Margery De Badlesmere

They had three sons and three daughters, named William, Thomas, John, Margaret, Elizabeth and Maud.

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