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Male William de Boulogne Click to view William de Boulogne in the family tree

William's father was Defender of the Holy Sepulchre, Duke of Lower Loraine Godfrey of Boulogne and his mother was Beatrice de Mandeville.  His paternal grandparents were Count Eustace of Boulogne II and Ida of Lower Lorraine; his maternal grandparents were Earl of Essex, Constable of the Tower of London Geoffrey de Mandeville and Adeliza de Balts.  He was an only child.  He died in 1130.1 

Family Details of William's family with <Unknown>

1 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=jdp-fam&id=I24332&style=TABLE

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