Sir John Courtenay
Sir John was born about 1384 in Powderham Castle, Devon, Eng.  He died before July 29th, 1406 in Powderham Castle, Devon, Eng.

 Joan Champernowne
Joan was born about 1390 in Bere Ferrers, Devon, Eng.

 Sir Philip Courtenay
Sir Philip was born in 1403 in Powderham Castle, Devon, Eng.  He died at the age of 60 on December 16th, 1463.  He was buried in Powderham Castle, Devon, Eng.

 Humphrey Courtenay
Humphrey was born about 1405 in Powderham Castle, DSevon, Eng.