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Male [Sir Knight] William De Sir [Sir Knight]/Fiennes Click to view [Sir Knight] William De Sir [Sir Knight]/Fiennes in the family tree

William De was born about 1245 in Wendover, Buckinghamshire, England.  William De's father was Sir Knight Enguerran Ingelram De Fiennes Sir Knight and his mother was Isabel Conde. He had a brother named Giles De.  He was the older of the two children. He had a half-sister named Maud De.  He died on July 11th, 1302 in Courtral, Flandre, Occidential, Belgium.

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