Jupiter, also known as Jove, was the god of the sky and thunder, and king of the gods in ancient Roman religion and mythology). He was the chief deity of Roman state religion throughout the Republican and Imperial eras, until Christianity became the dominant religion of the Empire). Jupiter was the son of Saturn, the god of agriculture, and Ops, the goddess of wealth and abundance. He had five other siblings who were Neptune (god of the sea), Pluto (ruler of the underworld), Vesta (goddess of the hearth), Juno (goddess of fertility), and Ceres (goddess of agriculture). Jupiter was married to his sister, Juno, the Roman goddess of fertility, and patron goddess to all of ancient Rome. He was a philanderer with a wandering eye and had several affairs with different women while married to Juno. With Juno, Jupiter fathered multiple children, including Vulcan (god of fire), Mars (god of war), and Bellona (goddess of war). Jupiters most common symbol is the thunderbolt.