Peripeteia by Polybus and his wife, Merope, the rulers of another kingdom. The irony of the Messenger’s information is that it was supposed to comfort Oedipus and assure him that he was the son of Polybus. Unfortunately for Oedipus, the Messenger says, "Polybus was nothing to you, [Oedipus] that’s why, not in blood" (Sophocles 1113). The Messenger received Oedipus from one of Laius’ servants and then gave him to Polybus. The plot comes together when Oedipus realizes that he is the son and murderer of Laius as well as the son and husband of Jocasta. Martin M. Winkler says that here,
Laius Laius In Greek mythology, King Laius (pronounced ), or Laios () of Thebes was a divine hero and key personage in the Theban founding myth. Son of Labdacus, he was raised by the regent Lycus after the death of his father. While Laius was still young, Amphion and Zethus usurped the throne of Thebes. Some Thebans, wishing to see the line of Cadmus continue, smuggled Laius out of the city before their attack, in which they killed Lycus and took the throne. Laius was welcomed by Pelops, king of Pisa in the Peloponnesus. According to some sources, Laius abducted and