Iorweth Drwynden ab Owain Gwynedd John (Lackland) King(24 Dec 1166 - 19 Oct 1216)
Margred ferch Madog N.N.
m. ca 1205
Llewellyn Fawr ap Iowerth Prince of North Wales Joan
b.  
d. 11 Apr 1240
 
b. ca 1191
d. 2 Feb 1237, Aber palace, Carnarvon
Natural dau.
Spouses: 1, 2, 3, 4
Children
> Helen ferch Llewellyn ap Iorweth( - bef 24 Oct 1253)
Dafydd ap Llewellyn ap Iorwerth( - 1246)