Birog
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In Irish mythology, Birog was a druidess who aided Cian in climbing Balor's crystal tower where had imprisoned his daughter, Ethlinn. When Ethlenn gave birth to Lugh, the result of that visit, Balor threw the baby into the ocean. Birog saved him and gave him to Manannan mac Lir to raise. In some areas of Ireland, Birog appears as a griffon.