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

William was born about 1225 in Ingmanthorpe, Penistone, West Riding, Yorkshire, England.  William's father is William De Roos and his mother was Lucia FitzPiers.  His paternal grandfather was Robert De Roos and his paternal grandmother is Isabella of Scotland; his maternal grandfather was Piers FitzHerbert. He had two brothers named Robert and Alexander.  He was the second oldest of the three children. He had two half-sisters named Aline and Rohese.  He died in 1253 in Ingmanthorpe, Penistone, West Riding, Yorkshire, England.  He was buried in Church of Grey Friars, Yorkshire, England.


William's family with Agnes De Clare

They had a daughter named Alice.

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