Oedipus of Theban plays by Sophocles: "Oedipus Rex", "Oedipus at Colonus", and "Antigone". Oedipus was the son of Laius and Jocasta, king and queen of Thebes. Having been childless for some time, Laius consulted the Oracle of Apollo at Delphi. The Oracle prophesied that any son born to Laius would kill him. In an attempt to prevent this prophecy's fulfillment, when Jocasta indeed bore a son, Laius had his ankles pierced and tethered together so that he could not crawl; Jocasta then gave the boy to a servant to abandon ("expose") on the nearby mountain. However, rather than leave the child
Oedipus Rex of the Delphic Oracle. He visits Delphi to find out who his real parents are and assumes that the Oracle refuses to answer that question, offering instead an unrelated prophecy which forecasts patricide and incest. Oedipus's assumption is incorrect, the Oracle does, in a way, answer his question: "On closer analysis the oracle contains essential information which Oedipus seems to neglect." The wording of the Oracle: I was doomed to be murderer of the father that begot me refers to Oedipus' real, biological father. Likewise the mother with polluted children is defined as the biological one. The wording of the