The sons of Hywel were not able to keep hold of Gwynedd, which was reclaimed for the traditional dynasty of Aberffraw by Iago ap Idwal and Ieuaf ap Idwal, the sons of Idwal Foel.
Rhodri Morgan | Hywel Dda | Rhodri ap Hyfaidd | Hywel Bennett | Anarawd ap Rhodri | Tomas ap Rhodri | Saint Hywel | Rhodri Philipps, 4th Viscount St Davids | Rhodri Marsden | Rhodri Lloyd | Owain ap Hywel Dda | Hywel Williams | Hywel Dda Local Health Board | Hywel ap Rhys | Hywel ap Rhodri Molwynog | Hywel ab Owain Gwynedd |