Simon I de Clermont , Count d'Ailly 
Simon I de was born about 1153 in Clermont-en-Beauvais, Oise, Picardy, France. Simon I de's father was Reinald II Count of Clermont and his mother was Clemence de Bar-le-Duc. He had a sister named Maud (Mathilde) of. He was the younger of the two children.
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