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Male John I de MORTEYN Click to view John I de MORTEYN in the family tree

John I de was born about 1225 in Wollaton, Nottinghamshire, England.  John I de's father was Eustace II de MORTEYN and his mother was Eincina RUFFUS.  His paternal grandparents were Eustace I de MORTEYN and Hillaria SALVAIN; his maternal grandparents were William (Sir Knight) RUFFUS and Isabel de ARCHES.  He was an only child.  He died about 1265 in Evesham, Worcestershire, England.


John I de's family with Constance de MERSTON

They had a son named John II de.