Sir William Courtenay
Sir William was born in 1430 in Powerham Castle, Devon, Eng.  He died at the age of 55 in September 1485 in Powderham, Devon, Eng.

 Margaret Bonville
Margaret was born in 1425 in Powderham Castle, Devon, Eng.  She died at the age of 62 in 1487 in Powderham, Devon, Eng.

 Sir William Courtenay
Sir William was born in 1450 in Powderham Castle, Devon, Eng.

 Joan de Courtenay
Joan was born in 1452 in Powderham Castle, Devon, Eng.

 Edward Courtenay
Edward was born in 1453 in Powderham Castle, Devon, Eng.  He died at the age of 55 in 1508.

 Catherine Courtenay
Catherine was born in 1454 in Powderham Castle, Devon, Eng.

 Philip de Courtenay
Philip was born in 1457 in Powderham Castle, Devon, Eng.

 James de Courtenay
James was born in 1459 in Powderham Castle, Devon, Eng.