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
USS Poseidon (ARL-12) USS Poseidon (ARL-12) The USS "Poseidon" (ARL-12) was one of 39 "Achelous"-class landing craft repair ships built for the United States Navy during World War II. Named for Poseidon (the Greek god of the sea), she was the only ship U.S. Naval vessel to bear the name. Her keel was laid down as "LST-1037" by the Boston Navy Yard in Boston, Massachusetts, on 10 July 1944. She was renamed "Poseidon" and given hull classification symbol "ARL-12" on 12 June 1944; launched on 24 August 1944; sponsored by Mrs. Nora T. Twomey; and placed in reduced commission on 22 September 1944.