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Tokugawa Mitsukuni , the third son of Tokugawa Yorifusa , became the second daimyo of Mito in 1661 .
 Tokugawa Mitsukuni, Tokugawa Yorifusa, Mito
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Tokugawa Mitsukuni, Tokugawa Yorifusa, Mito