Poseidon son named Triton, a merman. Poseidon was the father of many heroes. He is thought to have fathered the famed Theseus. A mortal woman named Tyro was married to Cretheus (with whom she had one son, Aeson), but loved Enipeus, a river god. She pursued Enipeus, who refused her advances. One day, Poseidon, filled with lust for Tyro, disguised himself as Enipeus, and from their union were born the heroes Pelias and Neleus, twin boys. Poseidon also had an affair with Alope, his granddaughter through Cercyon, his son and King of Eleusis, begetting the Attic hero Hippothoon. Cercyon had his
Nereid fifty." Nereid In Greek mythology, the Nereids ( ; "Nereides", sg. "Nereis") are sea nymphs (female spirits of sea waters), the 50 daughters of Nereus and Doris, sisters to Nerites. They often accompany Poseidon, the god of the sea, and can be friendly and helpful to sailors, like the Argonauts in their search for the Golden Fleece. Nereids are particularly associated with the Aegean Sea, where they dwelt with their father Nereus in the depths within a golden palace. The most notable of them are Thetis, wife of Peleus and mother of Achilles; Amphitrite, wife of Poseidon; and Galatea, the