William de Mandeville & Margaret de Rie 
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Personal Details
William de Mandeville
William was born in 1070 in Great Waltham, Essex, England.2 He died at the age of 60 in 1130 in England.3
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Children
1st Earl of Essex Geoffrey de Mandeville
Geoffrey was born in 1092 in Great Waltham, Essex, England.4 He died at the age of 52 on September 14th, 1144 in Suffolk, England. He was buried in New Temple Church, Holborn, Suffolk, England.4 4
1 http://wc.rootsweb.ancestry.com/cgi-bin/igm.cgi?op=PED&db=michaelrneuman&id=I003118&style=TABLE
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=tamer&id=I6377
3 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=jdp-fam&id=I53657&style=TABLE
4 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=tamer&id=I7447
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=tamer&id=I6377
3 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=jdp-fam&id=I53657&style=TABLE
4 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=tamer&id=I7447