After Oedipus killed he father, he married his mother.
Oedipus Later then was reborn in Thebes where he met the people that lived there.
After the recent King of Thebes died, the crowned Oedipus to become the new King. And then they gave the widow Queen to Oedipus to be remarried to him.
Oedipus and his new wife later then had four children whose names where Polynices, Eteocles, Antigone and Ismene.
Oneday Oedipus had found out that the King and Queen he thought was his parents weren't his parents. And his actual parents where the King and Queen of Thebes. So his Wife/Mother Killed herself and Oedipus blinded himself, when he realized what he had done.