De Beaumont 
De Beaumont was born in 1017 in Beaumont Sur, Oise, Normandy, France.1 De Beaumont's mother was Gisele Chevreuse. Her maternal grandfather was Guy De Chevreuse. She had fifteen brothers and three sisters, named Yves Ier De Beaumont Sur, Yves, Yves, Yves, Ivo, Ives Or Ivo, Ivo, Count Yvyes, Ivo Count, Countde Bellomontensis, Yvres II Sire, Guillaume, Eudes, Ivo, Ivan, Beaumont, Godebelt and Hildeburge.
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