William de MANDEVILLE & Margaret de RIE 
They had a son named Geoffrey II de.
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Personal Details
William de MANDEVILLE
William de was born about 1072 in Rycott, oxfordshire, England. He died before 1130.
Margaret de RIE
Margaret de was born about 1065 in Rycott, Oxfordshire, England. She died in England.
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Children
Geoffrey II de MANDEVILLE
Geoffrey II de was born about 1103 in Essex, England. He died on September 14th, 1144 in Mildenhall, Sufolkshire, England.