John de Courtenay
John was born about 1218 in Okehampton, Devon, Eng.  He died on May 3rd, 1274 in Ford Abbey, Devon, Eng.

 Isabel de Vere
Isabel was born about 1238 in Totnes, Devon, Eng.  Isabel is no longer alive.

 Sir Hugh de Courtenay
Sir Hugh was born about 1235 in Okehampton, Devon, Eng.  He died in Cowick, Devon, Eng.