The Three Theban Plays Oedipus The King - Oedipus At Colonus - Antigone Sophocles The most famous tragedies of Sophocles feature Oedipus and also Antigone: they are generally known as the Theban plays, although each play was actually a part of a different tetralogy, the other members of which are now lost. Sophocles influenced the development of the drama, most importantly by adding a third actor, thereby reducing the importance of the chorus in the presentation of the plot. He also developed his characters to a greater extent than earlier playwrights such as Aeschylus. Sophocles, the son of Sophilus, was a wealthy member of the rural deme of Hippeios Colonus in Attica, which was to become a setting for one of his plays, and he was probably born there. Sophocles was born a few years before the Battle of Marathon in 490 BC: the exact year is unclear, although 497/6 is the most likely. Sophocles was born into a wealthy family (his father was an armour manufacturer) and was highly educated. Sophocles' first artistic triumph was in 468 BC, when he took first prize in the Dionysia theatre competition over the reigning master of Athenian drama, Aeschylus.