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 raped the king's son, Chrysippus, and carried him off to Thebes while teaching him how to drive a chariot, or as Hyginus records it, during the Nemean games. This abduction is thought to be the subject of one of the lost tragedies of Euripides. With both Amphion and Zethus having died in his absence, Laius became king of Thebes upon his return. After the rape of Chrysippus, Laius married Jocasta or Epicasta, the daughter of Menoeceus, a descendant of the Spartoi. Laius received an oracle from Delphi which told him that he must not have a child, or the child