IA
Iago ab Idwal
d. 1039
Vitals
Died
1039
Family
Parents
Children
About
Iago ab Idwal held Gwynedd until his own men killed him.
Research notes
✓ IAGO AB IDWAL (d.1039), King of GWYNEDD; father of Cynan (our line). Source: the standard Gwynedd royal genealogy (Bartrum/Dictionary of Welsh Biography), web-confirmed 6 Aug 2026; these are the documented medieval Welsh king-lists, generally accepted by historians; contested rungs note-only, not hardened.