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
Geraint is the "young Welshman" who was killed there. However, other locations have also been suggested. Hypotheses about the location of the battle range from Somerset, bordering Dumnonia, to as far north as Kingdom of Strathclyde. The early poem "Y Gododdin" mentions a "Geraint before the South", conceivably a reference to Geraint mab Erbin. His deeds at the Battle of Llongborth are celebrated in the poem "Geraint son of Erbin", written probably in the 10th or 11th century, and traditionally attributed to Llywarch Hen. However, Derek Bryce, following other scholars, suggests that the later, historical Geraint of Dumnonia (d. 710) may