Yves Ier De Beaumont Sur Oise

Yves Ier De Beaumont Sur was born in 0990 in Grentemesnil, Calvados, Normandy, France.¹   Yves Ier De Beaumont Sur's mother was Gisele Chevreuse.  His maternal grandfather was Guy De Chevreuse. He had fourteen brothers and four sisters, named Yves, Yves, Yves, Ivo, Ives Or Ivo, Ivo, Count Yvyes, Ivo Count, Countde Bellomontensis, Yvres II Sire, Guillaume, Eudes, Ivo, Ivan, Beaumont, De Beaumont, Godebelt and Hildeburge.  He died at the age of 46 on April 12th, 1036 in France.¹