Ralph de Gresley
Ralph de was born about 1170 in Greasley, Basford, Nottinghamshire, England.

 Isabel de Muschamps
Isabel de was born about 1175 in Muskham, Southwell, Nottinghamshire, England.  Isabel de is no longer alive.

 Agnes de Gresley
Agnes de was born about 1200 in Greasley, Basford, Nottinghamshire, England.