In Greek mythology, Orthopolis () was the 12th king of Sicyon who reigned for 63 years.Eusebius, Chronographia 63
Family Orthopolis was the son and heir of King Plemnaeus, descendant of the city's founder Apis. He was the father of Chrysorthe, mother by Apollo of Coronus, the successor to the Sicyonian throne.
Mythology Before Orthopolis was born, all the children borne to his father Plemnaeus by his mother died the very first time they cried. Later on, the goddess Demeter who took pity on the unfortunate king came to Aegialea (ancient name of Sicyon) in the guise of a strange woman and reared for him his son Orthopolis.Pausanias, Graeciae Descriptio 2.5.8.
In some account of the myth, the crown of Sicyon was passed to Marathonius instead of Coronus.
Notes
References
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 Pausanias, Graeciae Descriptio. 3 vols. Leipzig, Teubner. 1903. Greek text available at the Perseus Digital Library.