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

 Elana de CLARE
Elana de was born about 1154 in Turnbridge Castle, Kent, England.

 Henry (Baron) de GREY
Henry (Baron) de was born about 1175 in Thurrock Grey, Essex, England.  He died about 1219 in Codnor, Derbyshire, England.