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 (q.v.) 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. Gwerydd , sister of Bleddyn ap Cynfyn (q.v.) , 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 (qq.v.) . David Powel of Ruabon (q.v.) also claimed to be a descendant of Uchdryd ab Edwin .


  • J. E. Lloyd , A History of Wales ;
  • Philip Yorke , The Royal Tribes of Wales , London / Wrexham, 1799 , 1887 ed.


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

Corrections and additions:

EDWIN (d. 1073 ; DWB , 201). For Gwerydd read Iwerydd .