He was the god of doorways, beginnings, and ends.
This figure came from Thessaly and married Camese, but later married the mother of Fontus, Juturna. He chased after the nymph Carna, and fathered a god who drowned in the Tiber, giving it its name. Ruling Latium during the Golden Age, he sheltered Saturn from Jupiter. This god prevented an invasion of the Sabines by flooding the gates, so in times of war, his temple doors were kept open. He was the god of doorways, beginnings, and ends. For 10 points, name this Roman god with two faces, the namesake of the first month of the year.
This figure came from Thessaly and married Camese, but later married the mother of Fontus, Juturna.
{Janus}