William II de WARENNE & Isabel de Crepi de VERMANDOIS 
They had a daughter named Gundred (Adelaide) de.
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Personal Details
William II de WARENNE
William II de was born about 1081 in Sussex, England. He died on May 11th, 1138 in Lewes, Sussex, England.
Isabel de Crepi de VERMANDOIS
Isabel de Crepi de was born about 1081 in Vermandois, Normandy, France. She died in St. Nicaise-de-Meulan, France.
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Children
Gundred (Adelaide) de WARENNE
Gundred (Adelaide) de was born in 1117 in Vermandois, France. She died at the age of 61 in 1178.