A son of Hermes and Daeira, the daughter of Oceanus. The town of Eleusis in Attica was believed to have derived its name from him. (Paus. i. 38. § 7; Apollod. i. 5. § 2; Hygin Fab. 147.) He was married to Cothonea or Cyntinia. (Hygin l. c.; Serv ad Virg. Georg. i 19.)