Family: William De Say / Agnes De Grentmesnil (F66515)
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Male
William De Say
Birth Death Yes, date unknown Burial Marriage Father William De Say | F66516 Group Sheet Mother
Female
Agnes De Grentmesnil
Birth Death Yes, date unknown Burial Father Hugh De Grentmesnil | F66517 Group Sheet Mother Alice De Beaumont | F66517 Group Sheet
Male
William I De Say
Birth Death Aug 1144 Siege Of Burwell Castle 
Burial Spouse Beatrice De Mandeville | F43081 Marriage