Sir Knight Ieuan ap Gruffudd
Ieuan was born about 1359 in Glamorgan, Wales.

 Crisli verch Gawdyn
Crisli was born about 1344 in Meisgen, Penychen, Glamorgan.

 Sir Knight Mathew ap Ieuan
Mathew was born about 1368 in Castell Kibwr, Brynwith, Glamorgan.  He died after 1419.