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A Druidess in ancient Irish legend. The Fomorian king Balor had a beautiful daughter named Ethlinn whom he kept imprisoned because of a Druidic prophecy that he would be slain by his grandson. Balor had stolen a magical cow from three brothers, Kian, Sawan, and Goban.

Through the magical spells of Birog, Kian, disguised as a woman, was able to enter the tower where Ethlinn was imprisoned. He then slept with Ethlinn, who in due course delivered three sons at one birth. Balor commanded them to be drowned, but one of them, named Hugh, survived, and in the course of time fulfilled the Druidic prophecy and slew Balor.

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