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Ulugh Beg learning of this revolt immediately prepared his forces for battle and left his son Abdal-Aziz Mirza in charge of Samarkand and took with him many Amirs especially from Arghun tribe along with Abdallah Mirza .
 Ulugh Beg, Mirza, Samarkand, Arghun, Abdallah Mirza
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ulugh Beg, Mirza, Samarkand, Arghun, Abdallah Mirza