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Male Robert IV "1st Baron" de Ros , of Belvoir, MP Click to view Robert IV "1st Baron" de Ros , of Belvoir, MP in the family tree

Robert IV "1st Baron" de was born in 1233 in Helmsley Castle, North Ride Yorkshire, England.  Robert IV "1st Baron" de's father was William I de Ros , MP, Lord of Helmsley, Sir and his mother was Lucy FitzPiers.  His paternal grandparents were Robert de Ros , Lord of Helmsley, Sir Knight and Isabel of Scotland; his maternal grandparents were Piers (Peter) FitzHerbert , Lord of Bladen and Alice FitzRobert de Warkworth. He had a brother and a sister, named William II de and Alice de.  He was the oldest of the three children.  He died at the age of 52 on May 17th, 1285 in Belvoir Castle, Leicestershire, England.

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