Richard de GRENVILLE & Isabel (Constance) GIFFARD 
They had a son named Robert de.
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Personal Details
Richard de GRENVILLE
Richard de was born about 1095 in Bideford, Devonshire, England. He died in 1147.
Isabel (Constance) GIFFARD
Isabel (Constance) was born about 1100 in Chilton, Thame, Buckinghamshire, England.
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Children
Robert de GRENVILLE
Robert de was born about 1130 in Chilton, Wooton, Buckinghamshire, England . He died about 1189.