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
Leda and the Swan foundation myth in the Canadian futuristic thriller television series "Orphan Black" which aired over 5 seasons from 2013 to 2017. A corporation uses genetic engineering to create a series of female clones (Leda) and a series of male clones (Castor) who are also brothers and sisters clones as they derive from one mother who is a chimera with male and female genomes. The award-winning show addresses issues of the modern science of genetics, corporate greed, the ethics of human cloning, human longevity and the nature of individuality. Actress Tatiana Maslany won an Emmy award for her portrayal of all Leda