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

John De was born about 1070 in St Jean Le Thomas, Manche, Normandy, France.  John De's father was William De St John and his mother was Olivia Fitzgears.  His paternal grandfather was Ralph De St John; his maternal grandfather was Ralph Fitzgears.  He was an only child.


John De's family

He had a biological son named Roger De.

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