Sir John De Halighwell
Sir John was born in 1346 in Holwell Castle, Devonshire, England.  Sir John is no longer alive.

 Joan Cheverston
Joan was born in 1356 in Castle Ilton, Marlborough, Devonshire, England.

 Sir Thomas De Halighwell
Sir Thomas was born in 1375 in Holwell Castle, Devonshire, England.