 Sidero hid in a temple to Hera but Pelias killed her anyway, causing Hera's undying hatred of Pelias – and her glorious patronage of Jason and the Argonauts in their long quest for the Golden Fleece.Pelias' half brother Aeson, the son of Tyro and Cretheus, was the father of Jason.Soon after, Tyro married Sisyphus, her paternal uncle and had two children.