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Male William De MAINWARING Click to view William De MAINWARING in the family tree

William De was born about 1230 in Warmingham, Cheshire, Eng.  William De's father was Roger De MAINWARING and his mother was Mrs-Roger De MAINWARING.  He was an only child.  He died after 1286.


William De's family with Agnes De ArDerne

They had a son and a daughter, named William and Matilda De.

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