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

John De was born about 1235 in Of Wigmore, Herefordshire, England.1   John De's father was Ralph de Mortimer and his mother was Gwladys verch Llewellyn.  His paternal grandparents were Roger de Mortimer , Baron Wigmore and Isabel Millicent de Ferrers; his maternal grandfather was Llewelyn I Fawr ap Iorwerth , Prince\Wales and his maternal grandmother is Tangwystl verch Llywarch. He had three brothers and three sisters, named Roger, Hugh, Peter De, Maud, Joan and Isolda De. He has a half-brother named William.

1 "Genealogical Research of Kirk Larson"
Further sources/citations:
Ancestral File (TM), Ancestral File (TM)

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