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

Robert IV was born before 1237 in Hamlake Castle, Yorkshire, England.  Robert IV's father was William I de Ros and his mother was Lucia FitzPiers of Brecknock.  His paternal grandparents were Robert II Surety Furfan de Ros and Isabella of Scotland; his maternal grandfather was Piers FitzHerbert and his maternal grandmother is Alice FitzRobert Clavering. He had a brother and a sister, named William II and Alice.  He died on May 17th, 1285.


Robert IV's first family with Isabel d'Aubigny de Albini

‌Robert IV and Isabel d'Aubigny were married in a religious ceremony after 1244.  They had two sons and two daughters, named William III, Robert V, Isabel and Joan.


Robert IV's second family with Margaret le Brus


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