Family: Gwilym ap Gruffudd, lord of Penrhyn and Cwchwillan / Gwenhwyfar ferch Ieuan (F100008617)

Gruffudd ap Heilin (1270-1340)

Efa ferch Gruffudd (1300-1351)

 

 

Ieuan ap Gruffudd (1300-1341)

Angharad ferch Cynwrig "Cwta" (1300- )

 

 

Gwenllian ferch Ieuan (1330- )

Cynwrig ab Ieuan (1330-1388)

Gwilym ap Gruffudd, lord of Penrhyn and Cwchwillan (1300-1370)

Gwenhwyfar ferch Ieuan (1330- )

Gruffudd ap Gwilym, lord of Penrhyn and Cwchwillan (1330-1405)

Bleddyn ap Gwilym (1330- )