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
Geraint of Dumnonia After Geraint's death, however, Ine was unable to establish his authority over neighbouring Cornwall; in 722, according to the "Annales Cambriae", the Cornish won the Battle of Hehil, probably against Wessex. Derek Bryce, following other scholars, suggests Geraint of Dumnonia be identified as the real warrior eulogized for his deeds at the Battle of Llongborth in the poem "Geraint son of Erbin" (10th–11th century, traditionally ascribed to Llywarch Hen), although its title names an earlier, 5th-century Geraint of dubious historicity. Bryce identifies Llongborth with the 710 battle between Geraint and Ine, and suggests Langport in Somerset as the location of