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
Laius Laius In Greek mythology, King Laius (pronounced ), or Laios () of Thebes was a divine hero and key personage in the Theban founding myth. Son of Labdacus, he was raised by the regent Lycus after the death of his father. While Laius was still young, Amphion and Zethus usurped the throne of Thebes. Some Thebans, wishing to see the line of Cadmus continue, smuggled Laius out of the city before their attack, in which they killed Lycus and took the throne. Laius was welcomed by Pelops, king of Pisa in the Peloponnesus. According to some sources, Laius abducted and