Baron Grey John de Grey, son of Baron Grey of Rotherfield John de Grey and Maude de Burghersh.
Born ± 1345 at of Rotherfield, Oxfordshire, England, died before Feb 8, 1367
Married ± 1369 at of, , England to:
Elizabeth de Poynings, daughter of Baron Poynings Michael de Poynings and Baroness Poynings Joan de Rokesley.
Born ± 1349 at of Slaugham, Sussex, England, died before Mar 20, 1378
Death date: bef 20 Mar 1378/1379
Alternate marriage place: Slaugham, Sussex, England (IGI (International Genealogical Index))