Castor and Pollux Castor and Pollux Castor and Pollux (or in Greek, Polydeuces) were twin half-brothers in Greek and Roman mythology, known together as the Dioscuri. Their mother was Leda, but they had different fathers; Castor was the mortal son of Tyndareus, the king of Sparta, while Pollux was the divine son of Zeus, who seduced Leda in the guise of a swan. Though accounts of their birth are varied, they are sometimes said to have been born from an egg, along with their twin sisters Helen of Troy and Clytemnestra. In Latin the twins are also known as the Gemini (literally "twins")
HMS Leda (1892) HMS Leda (1892) HMS "Leda" was a of the British Royal Navy. She was built by Sheerness Dockyard from 1891–1893. She was converted to a minesweeper in 1908–1909 and continued these duties during the First World War. "Leda" was scrapped in 1922. "Leda" was one of 11 "Alarm"-class torpedo gunboats ordered for the Royal Navy under the 1889 Naval Defence Act, which authorised the shipbuilding programme for the next five years, and also included the last two torpedo-gunboats of the and the five torpedo-gunboats of the . The "Alarm"s were slightly modified versions of the previous "Sharpshooter"-class, with modified engines