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Ewosṭatewos ( Ge'ez ኤዎስጣቴዎስ ʾĒwōsṭātēwōs , also ዮስጣቴዎስ Yōsṭātēwōs , Eustathius , July 15 , 1273 – September 15 , 1352 ) was an important religious leader of the Ethiopian Church .
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Option: location, person, organization 
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