Oedipus rex (opera) bandits at the crossing of three roads. This frightens Oedipus further: he recalls killing an old man at a crossroads before coming to Thebes. A messenger arrives: King Polybus of Corinth, whom Oedipus believes to be his father, has died. However, it is now revealed that Polybus was only the foster-father of Oedipus, who had been, in fact, a foundling. An ancient shepherd arrives: it was he who had found the child Oedipus in the mountains. Jocasta, realizing the truth, flees. At last, the messenger and shepherd state the truth openly: Oedipus is the child of Laius and Jocasta, killer
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