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Yolyos (Ge'ez: ዮልዮስ yōlyōs, "Julius") was an early 17th-century Ethiopian noble. He was appointed by Emperor Susenyos as governor of Ifat and Shewa, taking the traditional Ifat title of Walashma. His headquarters in Ifat was on an amba, a natural flat-topped mountain fortress, at Gefegef, which he used to defend against nearby Muslims of Qecheno.
References
Yolyos Wikipedia(Text) CC BY-SA