Zeus ordered Ganymede to be his cupbearer to replace Helen. However, Zeus’ wife Hera was jealous of Ganymede’s good looks and decided to trick him. One night, Hera let Helen go secretly because she knew that Helen would find Ganymede to elope. As it turned out, they were all captured by Hera. Zeus was angry about their behavior and determined to kill Ganymede. But when the archer Chiron tried to shoot Ganymede, Helen warded off the arrow with her body.
在冰冷的神殿，伊見不到家人也見不到海倫，他日漸憔悴。而宙斯卻逼迫伊代替海倫為他倒水，這樣他就可以天天見到這個美麗的男孩。宙斯的妻子女神赫拉是個嫉妒成性的女子，她看在眼里，怒在心頭，她不僅嫉妒宙斯看伊時那樣無恥的眼神，更嫉妒伊有著她都沒有的美麗光華。于是赫拉心生毒計，決定加害這個無辜的王子。她偷偷將海倫放走，海倫自然要與伊私逃下界，這時她再當場將兩人捉住。雅典娜明白這是赫拉的計謀，但也無能為力，被激怒的宙斯決定處死伊。然而，就在射手奇倫射出那致命一箭的剎那，侍女海倫擋在了伊的胸前！

Unable to have things her way, Hera was so angry that she transformed Ganymede as a clear cup to pour water for Zeus forever. This constellation is placed in the sky near other watery constellations including a dolphin (Delphinus), the sea monster (Cetus) and a fish (Pisces).
眼看奸計沒能得逞，赫拉惱羞成怒之下，將伊變成了一只透明的水瓶，要他永生永世為宙斯倒水。然而，水瓶中倒出來的卻是眼淚！眾神無不為之動容，于是宙斯變將伊封在了天上，作一個憂傷的神靈。這個星座被安排在包含海豚座，鯨魚座和雙魚座的水系星座附近的天空中。