Yves de BEAUMONT 
He had a biological son named Ivo (Yves) I.
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Children
Ivo (Yves) I BEAUMONT
Ivo (Yves) I was born in 0975 in Beaumnont-Sur-Oise, Normandie, France. Ivo (Yves) I is no longer alive.
Yves de BEAUMONT Ivo (Yves) I BEAUMONT