Gwenc'hlan is the cognomen of a legendary 6th century Breton druid and bard called Kian, the subject and purported author of a Breton song called "Diougan Gwenc'hlan", published by Hersart de la Villemarqué in his 1839 anthology Barzaz Breiz.
Literature
• Mary-Ann Constantine ''Prophecy and Pastiche in the Breton ballads: Groac'h Ahès and Gwenc'hlan'', Cambrian Medieval Celtic Studies 30, (Winter, 1995) 87-121. • Antone Minard, ''The Dialogue between King Arthur and Gwenc'hlan: a translation'' in: Comitatus. A journal of medieval and renaissance studies 30 (1999), 167-177. ==See also==