and HI'PPIUS (Ἱππία and Ἵππιος, or Ἵππειος), in Latin Equester and Equestris, occur as surnames of several divinities, as of Hera (Paus. 5.15.4); of Athena at Athens, Tegea and Olympia (1.30.4, 31.3, 5.15.4, 8.47. § ); of Poseidon (6.20.8, 1.30.4; Liv. 1.9); of Ares (Paus. 5.15.4); and at Rome also of Fortuna and Venus. (Liv. 40.40, 42.3; Serv. ad Aen. 1.724.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890