The Infernal Machine (play) in his sleep, and Jocasta soothes him in an ironically maternal fashion. A messenger from Corinth brings Oedipus news that his father, King Polybus, has died, and his mother Queen Merope is too senile to understand. As well, the messenger tells Oedipus that he was adopted, while Oedipus reveals he killed a man in a carriage many years past. After hearing that Oedipus was adopted, Jocasta exits, while Oedipus processes the new information. When he leaves to talk to his wife, he finds Jocasta having committed suicide. It is revealed that Oedipus is the son of Laius and Jocasta. Antigone
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