(Σικυών), a son of Marathon, Metion, Erechtheus or Pelops, was the husband of Zeuxippe and the father of Chthonophyle. The town of Sicyon, which before him was called Mecone or Aegialoe, was said to have received its subsequent name from him. (Paus. 2.1.1, 6.2.3; Strab. viii. p.382.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890