Geoffrey Gresley
Geoffrey was born about 1243 in Drakelow, Derbyshire, England.  He died in 1306 in Gresley Castle, Derbyshire, England.

 Agnes
Agnes was born about 1248 in Drakelow, Derbyshire, England.  Agnes is no longer alive.

 Sir Peter Gresley
Sir Peter was born about 1273 in Morton, Derbyshire, England.  He died about 1310 in Morton, Derbyshire, England.