Dictionary of Welsh Biography

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EDWIN (d. 1073 ), prince of Tegeingl .

Described as lord or prince of Tegeingl (i.e. the commotes of Rhuddlan , Coleshill , and Prestatyn ) and founder of one of the ‘ Fifteen [Noble] Tribes ’ of North Wales . Tegeingl formed a region, the greater part of which was for over three centuries part of the English kingdom of Mercia — i.e. until it was reconquered by Dafydd ab Owain Gwynedd in the 12th cent. Edwin is described in some pedigrees as great-great-grandson of Hywel Dda ; his mother was Ethelfleda , daughter of Edwin , king of Mercia . He m. Iwerydd , sister of Bleddyn ap Cynfyn , and by her had three sons, Owain , Uchdryd , and Hywel .

Many North Wales families (particularly in Flintshire and Denbighshire ) claimed descent from Edwin , among them those of Mostyn of Mostyn and Mostyn of Talacre . David Powel of Ruabon also claimed to be a descendant of Uchdryd ab Edwin .


  • J. E. Lloyd , A History of Wales: from the Earliest Times to the Edwardian Conquest ;
  • Philip Yorke , The Royal Tribes of Wales , 1887 ed.


Sir William Llewelyn Davies, M.A., LL.D., F.S.A. (1887-1952), Aberystwyth

Published date: 1959