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Male Roger St Baron De Mowbray Click to view Roger St Baron De Mowbray in the family tree

Roger St Baron De was born in 1254 in Thirsk, North Ride Yorkshire, England.  Roger St Baron De's father was Roger De Mowbray and his mother was Maud De Beauchamp.  His paternal grandparents were William De Mowbray and Agnes De Aubigny; his maternal grandparents were William De Beauchamp and Ida Idonea Longespee. He had two sisters named Elizabeth De and Joan De.  He was the youngest of the three children.  He died at the age of 42 in 1296 in Ghent, Flanders.  He was buried in Fountains, York, Eng.


Roger St Baron De's family with Roese Rohesia De Clare

‌Roger St Baron De and Roese Rohesia De were married in a religious ceremony in 1270 in England.  They had a son named John Nd Baron De.

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