Geraint son of Erbin through a variety of subsequent sources. Later genealogies associate him with southwestern Britain and South Wales in the late 6th century. The early poem "Y Gododdin" mentions a "Geraint before the South", conceivably a reference to Geraint mab Erbin. However, Geraint achieved his greatest fame as the hero of the prose romance "Geraint and Enid", a fictional tale that follows the narrative of Chrétien de Troyes' French work "Erec and Enide". "Geraint son of Erbin" makes heavy use of repetition in celebrating Geraint's deeds at Llongborth, which may be identified with Langport, Somerset, or Portsmouth, Hampshire though "llongborth" may refer
Ywain accounts. He remains Urien's son in virtually all literature in which he appears, whereas other characters in Arthurian legend based on historical figures, for instance Sir Kay, lost their original familial connections in romance literature. Ywain, the character of the romances, takes his name from Owain mab Urien, a historical figure of the 6th-century kingdom of Rheged at the time of the Anglo-Saxon invasion of Britain. His name was recorded in the bardic tradition of Taliesin and became a legendary character in the Welsh Triads, where his father, sister, horse and personal bard are all acclaimed but his wife Penarwan