William De+ Mandeville & Margaret De+ Rie 
They had a son and a daughter, named Geoffroi De+ and Beatrix De+.
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Personal Details
William De+ Mandeville
William De+ was born about 1060 in Great Waltham, Essex, England. He died about 1130 in England.
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Children
Geoffroi De+ Mandeville
Geoffroi De+ was born about 1102 in New Temple Church, Essex, England. He died on September 16th, 1144 in Mildenhall, Suffolk, England. He was buried in New Temple Church, Holborn, Suffolk, England.
Beatrix De+ Mandeville
Beatrix De+ was born in 1105. She died at the age of 92 on April 19th, 1197 in Rickling, Essex, England.