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 many Greek myths, and similarities to Oedipus can for example be seen in the myth of the birth of Perseus. Two oracles in particular dominate the plot of "Oedipus Rex". In lines 711 to 714, Jocasta relates the prophecy that was told to Laius before the birth of Oedipus. Namely: "(The oracle) told him" "that it was his fate that he should die a victim" "at the hands of his own son, a son to be born" "of Laius and me." The oracle told to Laius tells only of the patricide; the incest is missing. Prompted by Jocasta's recollection, Oedipus