John de Grey & Basset 
They had a daughter named Eve.
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Personal Details
John de Grey
John was born in 1150 in Thurrock Grey, Essex, England.1 He died at the age of 48 in 1198 in Standlake, Witney, Oxfordshire, England.1
Basset
Basset was born in 1152 in Thenford, Brackley, Northamptonshire, England.2 Basset is no longer alive.
1 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=PED&db=tamer&id=I4912&style=TABLE
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=tamer&id=I3948
2 http://wc.rootsweb.com/cgi-bin/igm.cgi?op=GET&db=tamer&id=I3948