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Rise to power The rise and fall of Jikur is documented in the 14th-century Georgian Chronicle of A Hundred Years , which provides no information regarding his origin , but reports that Jikur , otherwise not particularly gifted and holding a relatively minor office of Master of Ceremonies ( mestumre ) , rose to prominence thanks to his undaunted loyalty to David VII , whose troubled reign ( 1247 – 1270 ) was marred by the Mongol dominance .
 VII, Mongol
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 VII, Mongol