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Male William de ROS Click to view William de ROS in the family tree

William de was born about 1244 in Ingmanthorpe. Yorkshire, England.  William de's father was William (Sir) de ROS and his mother was Lucy  FITZPIERS.  His paternal grandparents were Robert  'Furfan' de ROS and Isabel, Princess of SCOTLAND; his maternal grandparents were Piers FITZHERBERT and Alice WARKWORTH.  He was an only child.  He died before May 18th, 1310.


William de's family with Eustace FITZHUGH

They had a daughter named Ivetta de.