Sir John de Deiville
John was born about 1280 in Egmanton, Nottinghamshire, England .  He died before 1325.

 Margaret
Margaret was born about 1280 in Westborough, Lincolnshire, England .  Margaret is no longer alive.

 Joan Deyville
Joan was born in Egmanton, Nottinghamshire, England.  She died about 1377.