Yves de BEAUMONT 
Yves de was born about 0960 in Seine-et-Oise, Normandy, France. Yves de's father was Ivo I of HAM. His paternal grandfather was Fouchard of HAM. He was an only child. He died about 1036.
He had a biological son named Yves Count Sur-Oise of.
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Children
Yves Count Sur-Oise of BEAUMONT
Yves Count Sur-Oise of was born in 0975 in Beaumont-sur-Oise, Normandy, France. He died at the age of 84 on May 22nd, 1059.