Lewis Short
Hippias (noun M) : Ἱππίας.
* A son of Pisistratus tyrant of Athens, and brother of Hipparchus, after whose assassination he fled to the Persians; he fell in the battle of Marathon, Cic. Att. 9, 10, 3; Gell. 9, 2, 10.
* A famous sophist of Elis in the time of Socrates, Cic. Brut. 8, 30; 85, 292; id. de Or. 3, 32, 127 al.
* A famous painter, Plin. 35, 11, 40, § 141.
Charlton T. Lewis, Charles Short, A Latin Dictionary