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Arab personal names of the Shirvanshahs gave way to Persian ones , members of the ruling dynasty were claiming Ancient Persian descent ( possibly having intermarried with members of local pre-Islamic nobility ) and Persian gradually became the language of the court and the urban population , while the rural population continued to speak the indigenous languages of Caucasian Albania .
 Arab
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Arab