AMPHITRITE was the goddess-queen of the sea, wife of Poseidon& eldest of the fifty Nereides. She was the female personification of the sea--the mother of fish, seals & dolphins. She was the wife of Poseidon and had two children with him; a son named Triton, a merman; and Rhode. Amphitrite also gave birth to other children, such as seals and dolphins. xo ---> Joanna M.