Dictionary of Welsh Biography

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MORGAN MWYNFAWR ( fl. 730 ), ‘ the Benefactor ’, or MORGAN ab ATHRWYS , king of Morgannwg ,

from whom the old kingdom of Glamorgan , embracing Glywysing and Gwent , probably took its name. He was the grandson and no doubt the successor of king Meurig ap Tewdrig , the reputed husband of Onbrans , daughter of Gwrgant Mawr , last king of Erging ( S. Herefordshire ). Morgan 's realm actually extended beyond the Wye into part of Erging , and westwards as far as the Towy . He was succeeded by his son Ithel .


  • A History of Wales: from the Earliest Times to the Edwardian Conquest ;
  • Liber Landavensis. The Text of the Book of Llan Dâv (1893) .


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

Corrections and additions:


Read Onbraus (not ‘Onbrans’).


Published date: 1959