A Short Biographical Dictionary of English Literature/Ercildoun, Thomas of, or "Thomas The Rhymer"
Ercildoun, Thomas of, or "Thomas The Rhymer" (fl. 1220-1297). -- A minstrel to whom is ascribed Sir Tristrem, a rhyme or story for recitation. He had a reputation for prophecy, and is reported to have foretold the death of Alexander III., and various other events.