Ieuan ap Gruffydd
Ieuan ap was born about 1358 in Glamorgan, Wales.  Ieuan ap is no longer alive.

 Crisli verch Gawdyn
Crisli verch was born about 1344 in Meisgyn Penyc, Glamorganshire, Wales.  Crisli verch is no longer alive.

 Mathew ap Ieuan
Mathew ap was born about 1368 in Castel Kibwr, Glamorganshire, Wales.  He died after 1419.