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

 Elana de Clare
Elana was born about 1155 in Tunbridge Castle, Kent, England.

 Baron Henry De Grey
Henry was born about 1161 in Codnor, Derbyshire, England.  He died in 1224 in Codnor, Derbyshire, England.¹ 

 Agnes de Grey
Agnes was born about 1175 in Standlake, Witney, Oxfordshire, England.