S. of Owain Gwynedd and Christina; acc. 1175; m. Emma, daughter of Geoffrey of Anjou, 1174; issue: Owain; d. 1203.
Dafydd, son of Owain's second marriage, took a prominent part in the fighting between the brothers after 1170. Hywel was defeated and killed in Anglesey, and a share-out soon after gave Dafydd the eastern cantrefs of Gwynedd. In 1173 he drove out another brother, Maelgwyn. He strengthened his position in 1174 by marriage to the half-sister of Henry II. He seemed to have some chance of reuniting Gwynedd under his rule, but in 1175 was forced to yield Anglesey to another brother, Rhodri, and confine himself east of the Conwy. In 1194 he was attacked by a nephew, Llywelyn ab Iorwerth, and defeated in battle at Aberconwy. Three years later, he lost his remaining foothold, and spent his last six years on the English estates granted to him by Henry II.
Subjects: British History.