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Male William IV 2Nd Baron De Ros Of Helmsley, Mp Click to view William IV 2Nd Baron De Ros Of Helmsley, Mp in the family tree

William IV 2Nd Baron De was born before 1285 in Helmsley Castle, North Ride Yorkshire, England.  William IV 2Nd Baron De's father was Of Helmsley, Mp William III 1St Baron De Ros Of Helmsley, Mp and his mother was Maud De Vaux.  His paternal grandparents were Robert IV "1St Baron" De Ros Of Belvoir, Mp and Isabel De Albini Heiress Of Belvoir; his maternal grandparents were John De Vaux and Sibilla Longchamps. He had a brother and two sisters, named John De, Agnes De and Margaret De.  He was the oldest of the four children.  He died in Helmsley Castle, North Ride Yorkshire, England.


William IV 2Nd Baron De's family with Margery De Badlesmere [Baroness Ros]

‌William IV 2Nd Baron De and Margery De were married in a religious ceremony before November 25th, 1326 in Castle Wark, Northumberland, England.  They had two sons and four daughters, named William V 3Rd Baron De, Thomas 4Th Baron De, Alice De, Elizabeth De, Margaret De and Maud De.

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