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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/Roos and his mother was Lucy Fitzpiers.  His paternal grandparents were Robert De Ros Lord Of Helmsley, Sir Knight and Isabella Scotland [Princess]; 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 Lucy De.  He was the second oldest of the three children.  He died at the age of 52 on May 17th, 1285 in Belvoir Castle, Leicestershire, England.

Robert IV "1St Baron" De's family with Isabel De Albini Heiress Of Belvoir

‌Robert IV "1St Baron" De and Isabel De were married in a religious ceremony before May 17th, 1246 in Leicestershire, England.  They had a son and three daughters, named William III 1St Baron De, Mary De, Joan De and Isabel.

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