Was a great-great-grandson of Hywel Dda and ruled Deheubarth from c.1033 until 1044. Reigning jointly at first with a brother, Maredudd (d. 1035), he was expelled by Gruffydd ap Llywelyn c.1042. He took refuge in Ireland, returned with Viking support, but was killed on the Towy.
From The Kings and Queens of Britain in Oxford Reference.
Subjects: British History.