Neptune (mythology) Neptune (mythology) Neptune ( ) was the god of freshwater and the sea in Roman religion. He is the counterpart of the Greek god Poseidon. In the Greek-influenced tradition, Neptune was the brother of Jupiter and Pluto; the brothers presided over the realms of Heaven, the earthly world, and the Underworld. Salacia was his wife. Depictions of Neptune in Roman mosaics, especially those of North Africa, are influenced by Hellenistic conventions. Neptune was likely associated with fresh water springs before the sea. Like Poseidon, Neptune was worshipped by the Romans also as a god of horses, under the name "Neptunus
Neptune (mythology) realm and the life cycle. Thesan and Uśil-Aplu, who has been identified with Śuri (Soranus Pater, the underwold Sun god) make clear the transient character of worldly life. The association of Nethuns and Uśil-Aplu is consistent with one version of the theory of the Etruscan Penates (see section below). In Martianus Capella's depiction of Heaven Neptune is located in region X along with the Lar Omnium Cunctalis (of everybody), Neverita and Consus. The presence of the Lar Omnium Cunctalis might be connected with the theology of Neptune as a god of fertility, human included, while Neverita is a theonym derived