Oedipus widowed Queen Jocasta's hand in marriage. This marriage of Oedipus to Jocasta fulfilled the rest of the prophecy. Oedipus and Jocasta had four children: two sons, Eteocles and Polynices (see "Seven Against Thebes"), and two daughters, Antigone and Ismene. Many years after the marriage of Oedipus and Jocasta, a plague of infertility struck the city of Thebes, affecting crops, livestock and the people. Oedipus asserted that he would end the pestilence. He sent his uncle, Creon, to the Oracle at Delphi, seeking guidance. When Creon returned, Oedipus learned that the murderer of the former King Laius must be brought to
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