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 to as Sir Geraint. According to the "vita" of Saint Teilo", in 549, in order to avoid the yellow plague then sweeping through Britain, Teilo, with a small group of monks, left Llandaff to join Samson of Dol in Brittany. Passing through Dumnonia, they were received hospitably by King Geraint at Din Gerrein. In gratitude, Teilo promised the King his spiritual assistance at the hour of death. Seven years later, Teilo returned to give the King the last rites. Perhaps because of the relationships that bound him to Teilo, he too was proclaimed holy. There are local legends of the