Castor and Pollux horse breaker and the boxer / Polydeuces, my brothers" ..." – Helen, "Iliad" 3.253–255), but in the "Odyssey" they are treated as alive even though "the corn-bearing earth holds them". The author describes them as "having honour equal to gods", living on alternate days because of the intervention of Zeus. In both the "Odyssey" and in Hesiod, they are described as the sons of Tyndareus and Leda. In Pindar, Pollux is the son of Zeus while Castor is the son of the mortal Tyndareus. The theme of ambiguous parentage is not unique to Castor and Pollux; similar characterisations appear in
HMS Leda (1892) in Germany in 1922. 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