Theban kings in Greek mythology predictions brought him closer to his fate - Oedipus killed King Laius and married Jocasta. Oedipus then became king of Thebes, as husband of the widowed Jocasta. The couple had four children, including two sons, Polyneices and Eteocles. When the seer Teiresias revealed Oedipus' horrible crimes - patricide, regicide and incest, no less - Oedipus was forced to abdicate. Jocasta killed herself, and Oedipus was shunned by his own children. Oedipus responded by cursing his sons Polyneices and Eteocles. "Polyneices" and "Eteocles" made a pact that each should rule alternately for one year at a time. But Eteocles reneged on
Oedipus and the Sphinx pass. Failure means his own death and that of the besieged Thebans. The riddle was: "What walks on four feet in the morning, two in the afternoon and three at night?". Oedipus answered: "Man: as an infant, he crawls on all fours; as an adult, he walks on two legs and; in old age, he uses a walking stick". Oedipus was the first to answer the riddle correctly and, having heard Oedipus' answer, the Sphinx was astounded and inexplicably killed herself by throwing herself into the sea. Oedipus thereby won the freedom of the Thebans, the kingdom of that city