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Male John I De Mowbray Click to view John I De Mowbray in the family tree

John I was born on September 4th, 1286.  John I's father was Roger II De Mowbray and his mother was Roese De Clare.  His paternal grandparents were Roger I De Mowbray and Maud De Beauchamp; his maternal grandparents were Richard De Clare and Maud De Burgh. He had a sister named Christinia.  He was the younger of the two children.  He died at the age of 34 on March 23rd, 1321.


John I's family with Alice De Braose

They had a son and a daughter, named John II and Christianna.

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