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

William De was born about 1142 in Of, Hambleton, Buckinghamshire, England.  William De's father was Robert "Bossu"  "The Just* De Beaumont Earl Of Leicester/Leicester and his mother was Itta [Amicia] De Montford [Countess].  His paternal grandparents were 1st Earl Of Leicester Robert I De Robert Earl Of 1st Earl Of Leicester/Beaumont and Isabel Elizabeth De Vermandois; his maternal grandparents were Ralph De Seigneur Of [Lord Montfort - Earl Norfolk]/Gael and Emma Avice De Vermandois. He had five brothers and three sisters, named Robert III De, Gervace De, John De, Geoffrey De, Henry De, Isabel De, Margaret De and Hawise Mabel Avis.  He was the fourth youngest of the nine children.

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