Jupiter (mythology) Hill, where the citadel was located. In the Capitoline Triad, he was the central guardian of the state with Juno and Minerva. His sacred tree was the oak. The Romans regarded Jupiter as the equivalent of the Greek Zeus, and in Latin literature and Roman art, the myths and iconography of Zeus are adapted under the name "Iuppiter". In the Greek-influenced tradition, Jupiter was the brother of Neptune and Pluto, the Roman equivalents of Poseidon and Hades respectively. Each presided over one of the three realms of the universe: sky, the waters, and the underworld. The Italic Diespiter was also
Neptune (mythology) In another place of his work, book VI, Nigidius wrote that, according to the Etrusca Disciplina, his were one among the four "genera", types of Penates: of Iupiter, of Neptune, of the underworld and of mortal men. According to another tradition related by a Caesius, also based on the same source, the Etruscan Penates would be Fortuna, Ceres, Genius Iovialis and Pales, this last one being the male Etruscan god ("ministrum Iovis et vilicum", domestic and peasant of Jupiter). Neptune is depicted in the 7th and final movement of Gustav Holst's orchestral suite 'The Planets', subtitled 'The Mystic' as Holst