The "Elegy for Geraint" is a sixth-century poem in the "Black Book of Carmarthen" written in praise of Geraint, a Dumnonian king who fell during a conflict with the Saxons. The "Anglo-Saxon Chronicle" says: "Port and his two sons, Bieda and Maegla, came to Britain at the place called Portsmouth, and slew a young Welshman, a very noble man." Scholars believe that the Llongborth mentioned in the poem is the Portsmouth of the Chronicle entry and that Geraint is the "young Welshman" who was killed there. However, other locations have been suggested. Hypotheses about the location of the battle range from Somerset, bordering Dumnonia, to as far north as Kingdom of Strathclyde.