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

William was born in 1182.1   William's father was Sir Robert (Furfan, Fursan) De Ros 4th Lord of Hamlake and his mother was Princess Isabel of Scotland.  His paternal grandparents were Everard De Ros and Roysia Trusbut; his maternal grandparents were King William (The Lion) of Scotland I and Isabel Avenal. He had two brothers and a sister, named Robert, Hugh and Isabel.  He was the oldest of the four children.  He died at the age of 82 in 1264.1 

Family Details of William's family with Lucy Brecknock FitzPiers

1 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=jdp-fam&id=I76378&style=TABLE

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