Eteocles [SEP] father
Eteocles
In Greek mythology, Eteocles (; Ancient Greek: Ἐτεοκλῆς) was a king of Thebes, the son of Oedipus and either Jocasta or Euryganeia. The name is from earlier "*Etewoklewes" (), meaning "truly glorious". "Tawagalawas" is thought to be the Hittite rendition of the name. Oedipus killed his father Laius and married his mother without knowing his relationship to either. When the relationship was revealed, he was expelled from Thebes. The rule passed to his sons Eteocles and Polynices. However
Polyphontes
In Greek mythology, Polyphontes was the son of Autophonus, a warrior who figured in 
Polynices' war to regain the throne of Thebes from his brother, Eteocles.
He is mentioned in Book IV of the "Iliad", when Agamemnon reminds Diomedes of the deeds of his father Tydeus. In Agamemnon's story, Tydeus was an ally of Polynices. He entered Thebes, and challenged and defeated all the Theban leaders. Eteocles then sent Polyphontes and Maion with fifty men to ambush Tydeus on his way back