Geraint be identified as the real warrior eulogized in connection with the Battle of Llongborth in the poem, despite its title. Bryce identifies Llongborth with the 710 battle between that Geraint and Saxon leader Ine of Wessex. Strathclyde had rulers named Geraint and Erbin/Elfin in the same era, and was also known as Damnonia, after the Dumnonii tribe of the area in Romano-British times, and thus easily confused with Dumnonia/Devon. He is possibly most famous as the protagonist in the Welsh tale "Geraint and Enid", where he becomes the lover of Enid. "Geraint and Enid" is one of the three Welsh
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