Dictionary of Welsh Biography

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IORWERTH ap BLEDDYN (d. 1111 ) ,

son of Bleddyn ap Cynfyn (q.v.) , and a co-ruler of Powys at the close of the 11th cent . As vassal of Robert of Montgomery he was involved in the rebellion of 1102 . His desertion caused the collapse of the rising, and when he did not receive the whole of the Montgomery inheritance in Wales , as he had hoped, he became troublesome to the Crown , and was imprisoned in 1103 . Released in 1110 to deal with his nephews, he met his death at the hands of one of these younger relatives, viz. Madog ap Rhiryd , in the following year. He left no descendants.


  • A History of Wales: from the Earliest Times to the Edwardian Conquest


Professor Thomas Jones Pierce, M.A., F.S.A., (1905-1964), Aberystwyth

Published date: 1959