Ruled Powys jointly at the end of the eleventh century. He supported Robert of Bellême, earl of Shrewsbury, in the revolt of 1102, but was persuaded to change sides in exchange for promises of territory. Disappointed with his reward, he defied Henry I and was imprisoned 1103–10. The year after his release, he was murdered by a nephew, Madog ap Rhiryd.
Subjects: British History.