Leucon, a son of Themisto by either AthamasApollodorus, 1.9.2; Nonnus, 9.314 or Poseidon.Hyginus, Fabulae 175 His children were Erythras,Pausanias, 6.21.11Pisidice,Stephanus of Byzantium, s.v. ArgynnionHyperippeHesiod, Ehoiai fr. 70.8–43; West (1985a), p. 66 n. 79) and Euippe (mother of Eteocles by Andreus).Pausanias, 9.34.9 He was said to have died of a sickness.Pausanias, 9.34.7
Leucon, in Plutarch's Life of Aristides, one of the seven to whom the Athenians, according to an oracle, had to sacrifice if they wanted to overcome their foes in the imminent battle. The other six were Androcrates, Peisandrus, Damocrates, Hypsion, Actaeon and Polyeidus.Plutarch, Aristides 11.3
Gaius Julius Hyginus, Fabulae from The Myths of Hyginus translated and edited by Mary Grant. University of Kansas Publications in Humanistic Studies. Online version at the Topos Text Project.
Hesiod, Catalogue of Women from Homeric Hymns, Epic Cycle, Homerica translated by Evelyn-White, H G. Loeb Classical Library Volume 57. London: William Heinemann, 1914. Online version at theio.com
Pausanias, Description of Greece with an English Translation by W.H.S. Jones, Litt.D., and H.A. Ormerod, M.A., in 4 Volumes. Cambridge, MA, Harvard University Press; London, William Heinemann Ltd. 1918. . Online version at the Perseus Digital Library
Stephanus of Byzantium, Stephani Byzantii Ethnicorum quae supersunt, edited by August Meineike (1790-1870), published 1849. A few entries from this important ancient handbook of place names have been translated by Brady Kiesling. Online version at the Topos Text Project.