
1) Theban king
Found on
https://www.crosswordclues.com/clue/eteocles
[son of Andreus] In Greek mythology, Eteocles was a king of Orchomenus. The local tradition concerning him is preserved in Pausanias` Description of Greece, and runs as follows. Eteocles was the son of Andreus (himself son of the river-god Peneus) and Euippe, daughter of Leucon, and successor to his father`s throne. Alternately, he was call...
Found on
http://en.wikipedia.org/wiki/Eteocles_(son_of_Andreus)

(from the article `Antigone`) ...and her sister Ismene served as Oedipus` guides, following him from Thebes into exile until his death near Athens. Returning to Thebes, they ... in Greek mythology, the seven champions who were killed fighting against Thebes after the fall of Oedipus, the king of that city. The twins Eteocles ... [2 r...
Found on
http://www.britannica.com/eb/a-z/e/48

In Greek mythology, son of the incestuous union of Oedipus and Jocasta and brother of
Found on
http://www.encyclo.co.uk/local/20688

son of Oedipus and Jocasta; cursed by his father never to live in peace with his brother, Polynices; the two brothers killed one another.
Found on
https://www.encyclo.co.uk/local/10135

Son of Oedipus, whom he succeeded to rule alternately with Polynices; refused to give up throne at end of year; he and Polynices slew each other.
Found on
https://www.infoplease.com/arts-entertainment/mythology/greek-and-roman-myt

a son of Oedipus and the brother of Polynices, by whom he was slain. Cf. Seven against Thebes (def. 1).
Found on
https://www.infoplease.com/dictionary/eteocles
No exact match found.