Henry I de Grey
Henry I de was born about 1175 in Thurrock Grey, Essex, England.¹   He died about 1219 in Codnor, Derbyshire, England.¹ 

 Isolda ' Bardolf
Isolda ' was born about 1160 in Hoo, Kent, England.  She died before June 18th, 1246.

 Robert de ' Grey
Robert de ' was born about 1190 in Rotherfield, Sussex, England.  He died about 1267 in Turrock, Essex, England.

 Richard de Grey
Richard de was born about 1200 in Condnor, England.¹   He died before September 8th, 1271.  He was buried before September 8th, 1271.^1 1 

 John de Grey
John de was born about 1205 in Shirland, England.¹   He died before March 18th, 1266.¹