Jenkin Ap Morgan
Jenkin was born in 1377.  He died at the age of 34 in 1411.

 Cecily Welsh
Cecily was born about 1380 in Llan-Wern, Llebenydd, Monmouthshire, Wales.  Cecily is no longer alive.

 Morgan Ap Jenkin Morgan
Morgan was born about 1413 in Langstone, Monmouthshire, England.