Dictionary of Welsh Biography


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IORWERTH DRWYNDWN ( The Flat-nosed ) (d. probably c. 1174 ),

elder son of Owain Gwynedd (q.v.) by Gwladus , daughter of Llywarch ap Trahaearn . He m. a princess of Powys , namely Marared , daughter of Madog ap Maredudd (q.v.) , by whom he had one son, the future Llywelyn ap Iorwerth (q.v.) . In the partition of his father's territories he received Arfon and probably Nanconwy . Shortly afterwards he disappears from view, probably dying about the time of the usurpation of power in Upper Gwynedd by his half-brother, David I , in 1174 .

Sources:

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

Author:

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

Published date: 1959