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The Russian historian F. K. Brun , suggests that the name of the princess might not have been " Bikhakhanim , " but " Bikhakhatun , " and that , if so , she was the daughter of the Georgian prince Beka II Jakeli ( died 1391 ) , the ruler of Samtskhe and Klarjeti .
 Bikhakhanim
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Bikhakhanim