NIGHTBRINGER | The Arthurian Encyclopedia

Echion

Ession, Ethion

The ruler of Boeotia who was subservient to the Roman Procurator Lucius, and was called upon to join Lucius in the war against Arthur.


Sources
Historia Regum Britanniae | Geoffrey of Monmouth, c. 1138
Roman de Brut | Wace, c. 1155
Brut | Layamon, late 12th century to mid-13th century