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

 Joan De Valognes
Joan De was born about 1257 in Shabbington, Buckinghamshire, England.  She died in 1312.

 Of Rotherfield, Mp, Sir John De Grey Of Rotherfield, Mp, Sir
John De was born in 1277 in Rotherfield Greys, Henley-On-Thames, Oxfordshire, England.  He died at the age of 34 on October 17th, 1311 in Wilton, Wiltshire, England.

 Thomas De Grey
Thomas De was born about 1279 in Rotherfield Greys, Henley, Oxfordshire, England.