1) Boeotian mythology 
In Greek mythology, Hyperphas was a leader of the Phlegyans and an ally of the Thebans. He was the father of Euryganeia who, according to Pausanias, married Oedipus after the death of Iocaste; Pausanias also maintains that it was she, and not Iocaste, who bore Oedipus his four children (Eteocles, Polynices, Antigone and Ismene). Defending this ver...