Oedipus Rex and that deal with the story of Oedipus, "Oedipus Rex" was the second to be written. However, in terms of the chronology of events that the plays describe, it comes first, followed by "Oedipus at Colonus" and then "Antigone". Prior to the start of "Oedipus Rex", Oedipus has become the king of Thebes while unwittingly fulfilling a prophecy that he would kill his father, Laius (the previous king), and marry his mother, Jocasta (whom Oedipus took as his queen after solving the riddle of the Sphinx). The action of Sophocles' play concerns Oedipus' search for the murderer of Laius in
Oedipus Rex palace and begs to be exiled as soon as possible. Creon enters, saying that Oedipus shall be taken into the house until oracles can be consulted regarding what is best to be done. Oedipus's two daughters (and half-sisters), Antigone and Ismene, are sent out, and Oedipus laments their having been born to such a cursed family. He asks Creon to watch over them and Creon agrees, before sending Oedipus back into the palace. On an empty stage the chorus repeat the common Greek maxim, that no man should be considered fortunate until he is dead. The two cities of Troy