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After the death of his father in 1897 Mozaffar ad-Din Shah Qajar bestowed the title Mokhber-os Saltaneh on Hedayat , and he accompanied the monarch as a German interpreter on his trip to Europe in 1901 .
 Mozaffar ad-Din Shah Qajar, Hedayat
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mozaffar ad-Din Shah Qajar, Hedayat