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Male Robert IV de ROS Click to view Robert IV de ROS in the family tree

Robert IV de was born about 1233 in Helmsley Castle, North Ride Yorkshire, England.  Robert IV de's father was William (Sir) I de ROS and his mother was Lucia\Lucy FITZ PIERS.  His paternal grandparents were Robert (Sir) II de ROS and Isabel, Princess of SCOTLAND; his maternal grandparents were Piers  FITZ HERBERT and Alice FITZ ROGER of Warkworth.  He was an only child.  He died on May 17th, 1285 in Belvior Castle, Leicestershire, England.


Robert IV de's family with Isabel d' ALBINI

They had a daughter named Joan de.