Walter de Grey , of Rotherfield, Sir
Walter de was born about 1222 in Rotherfield Greys, Henley-on-Thames, Oxfordshire, England.  He died in Somerton, Bicester, Oxfordshire, England.

 Isabel de Duston
Isabel de was born about 1224 in Duston, Northamptonshire, England.  She died before 1305.

 Robert de Grey , of Rotherfield, Sir
Robert de was born in Rotherfield Greys, Henley-on-Thames, Oxfordshire, England.  He died before May 27th, 1295.