Greek mythology A major branch of classical mythology, Greek mythology is the body of myths originally told by the ancient Greeks, and a genre of Ancient Greek folklore. These stories concern the origin and nature of the world, the lives and activities ...

, Oncius (

Ancient Greek Ancient Greek includes the forms of the Greek language used in ancient Greece and the ancient world from around 1500 BC to 300 BC. It is often roughly divided into the following periods: Mycenaean Greek (), Dark Ages (), the Archaic p ...

: Ὅγκιος ''Onkios'') or Oncus (Ὅγκος ''Onkos'') was a son of

Apollo Apollo, grc, Ἀπόλλωνος, Apóllōnos, label=genitive , ; , grc-dor, Ἀπέλλων, Apéllōn, ; grc, Ἀπείλων, Apeílōn, label= Arcadocypriot Greek, ; grc-aeo, Ἄπλουν, Áploun, la, Apollō, la, Apollinis, label ...

and a ruler over Onceium (Onkeion), a region of

Arcadia Arcadia may refer to: Places Australia * Arcadia, New South Wales, a suburb of Sydney * Arcadia, Queensland * Arcadia, Victoria Greece * Arcadia (region), a region in the central Peloponnese * Arcadia (regional unit), a modern administrative un ...

adjacent to Thelpusa, as well as

eponym An eponym is a person, a place, or a thing after whom or which someone or something is, or is believed to be, named. The adjectives which are derived from the word eponym include ''eponymous'' and ''eponymic''. Usage of the word The term ''epon ...

of a city

Oncae Oncae or Onkai ( grc, Ὄγκαι) was a small town in ancient Arcadia. Its name came from Oncus, a son of Apollo. William Smith suggests that the town may be the same as Onceium Onceium or Onkeion ( grc, Ὄγκειον) was a village in ancient A ...

. He owned a herd of horses, in which Demeter tried to hide from

Poseidon Poseidon (; grc-gre, Ποσειδῶν) was one of the Twelve Olympians in ancient Greek religion and myth, god of the sea, storms, earthquakes and horses.Burkert 1985pp. 136–139 In pre-Olympian Bronze Age Greece, he was venerated as a ...

's advances, changing herself into a mare. Poseidon did mate with her in the shape of a stallion, which resulted in the birth of the fantastic horse Arion. Oncius kept Arion and later gave him away to

Heracles Heracles ( ; grc-gre, Ἡρακλῆς, , glory/fame of Hera), born Alcaeus (, ''Alkaios'') or Alcides (, ''Alkeidēs''), was a divine hero in Greek mythology, the son of Zeus and Alcmene, and the foster son of Amphitryon.By his adoptiv ...

as the latter was starting a military campaign against

Elis Elis or Ilia ( el, Ηλεία, ''Ileia'') is a historic region in the western part of the Peloponnese peninsula of Greece. It is administered as a regional unit of the modern region of Western Greece. Its capital is Pyrgos. Until 2011 it was ...

Pausanias Pausanias ( el, Παυσανίας) may refer to: *Pausanias of Athens, lover of the poet Agathon and a character in Plato's ''Symposium'' *Pausanias the Regent, Spartan general and regent of the 5th century BC * Pausanias of Sicily, physician of t ...

, ''Description of Greece'', 8. 25. 5 & 10

Notes

References

, ''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
* Pausanias, ''Graeciae Descriptio.'' ''3 vols''. Leipzig, Teubner. 1903.
Greek text available 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.
Children of Apollo Demigods in classical mythology Arcadian mythology {{Greek-myth-stub