Cercyon ("boar's tail") is a figure in Greek mythology. Poseidon had sex with Alope, his granddaughter through Cercyon, begetting Hippothoon. Cercyon had his daughter buried alive but Poseidon turned her into the spring, Alope, near Eleusis. Greek mythology consists of a large collection of narratives detailing the lives and adventures of a wide variety of gods, goddesses, heroes, and heroines, which were first envisioned and disseminated in an oral-poetic tradition. ... In Greek mythology, Poseidon (Ποσειδῶν) was the god of the sea, and of earthquakes, as Earth-Shaker, and of horses. ... In Greek mythology, Alop was a mortal woman, daughter of Cercyon. ... Deianeira is a figure in Greek mythology, often described as the King of Eleusis after the death of Cercyon, however Theseus was sometimes said to have taken the throne from Cercyon after his death. ... Eleusis (Game) The cardgame invented by Robert Abbott in 1962, and later popularized in 1977 by Martin Gardner in his Mathematical Games column in Scientific American magazine. ...

Cercyon was the King of Eleusis, and a very strong man. He stood on the roads around Eleusis and challenged passers-by to a wrestling match. The loser (always the passer-by) was murdered, though Cercyon promised his kingdom to anyone who won. He was eventually beaten and killed by Theseus, who took the kingdom of Eleusis. Eleusis (Game) The cardgame invented by Robert Abbott in 1962, and later popularized in 1977 by Martin Gardner in his Mathematical Games column in Scientific American magazine. ... Theseus (Greek Θησεύς) was a legendary king of Athens, son of Aegeus (or of Poseidon) and of Aethra. ...