Creon "Antigone", written by Sophocles. In "Oedipus Rex", Creon is a brother of queen Jocasta, the wife of King Laius as well as Oedipus. Laius, a previous king of Thebes, had given the rule to Creon while he went to consult the oracle at Delphi. During Laius's absence, the Sphinx came to Thebes. When word came of Laius's death, Creon offered the throne of Thebes as well as the hand of his sister (and Laius' widow) Jocasta, to anyone who could free the city from the Sphinx. Oedipus answered the Sphinx's riddle and married Jocasta, unaware that she was his mother.
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