John De Grey Of Standlake
John De was born about 1150 in Thurrock Grey, Essex, England.  He died about 1198 in Standlake, Witney, Oxfordshire, England.

 Elena de Clare
Elena de was born in 1160 in Tunbridge Castle, Kent, England.

 Henry I de Grey
Henry I de was born about 1175 in Thurrock Grey, Essex, England.¹   He died about 1219 in Codnor, Derbyshire, England.¹