Who were children of the Roman god Neptune?

Salacia was a Roman sea goddess. The god Neptune wanted to marry her but she ran off and hid from him in the Atlantic Ocean. Neptune sent a dolphin fetch the goddess and in return Neptune would give the dolphin a place in the heavens. After being brought by the dolphin back to Neptune, Salacia agreed to marry Neptune. Salacia bore Neptune three children. She is identified with the Greek god, Amphitrite. The three children were: Triton, Pisces, and Aulus Gellius.