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He was one of the most loyal subjects of the young emperor Mehmet II , and dedicated his life to the service of the Emperor against Skanderbeg and his Albanian forces .
 Mehmet, Skanderbeg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mehmet, Skanderbeg