Edward II de Courtenay
He died on December 5th, 1419.

 Maud de Camoys
Maud was born before 1375.

 Hugh de Courtenay
Hugh was born in 1389.  He died at the age of 33 in 1422.

 Elizabeth de Courtenay
Elizabeth was born before 1390.  She died in 1471.

 Edward de Courtenay
Edward was born before 1399.  He died in 1399.