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Male John De Mortimer Click to view John De Mortimer in the family tree

John was born in 1300.  John's father was Edmunde de Mortimer and his mother was Margaret de Fiennes.  His paternal grandparents were Roger De Mortimer and Maud De Braose; his maternal grandparents are William de Fiennes and Blanche de Brienne. He had four brothers and four sisters, named Roger, Hugh, Walter, Edmund, Matilda, Joan, Margaret and Elizabeth.  He was the second youngest of the nine children.

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