John De Courtenay
John was born about 1384 in Powderham, Devonshire, England.  He died in July 1406.

 Joan Champernon
Joan was born about 1382 in Bere Ferrers, Devonshire, England.  She died in 1419.

 Philip De Courtenay
Philip was born in 1404 in Powderham, Devonshire, England.  He died at the age of 59 on December 16th, 1463 in Powderham, Devonshire, England.