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Notable clan members Although Ieyasu Tokugawa never used the surname Matsudaira before 1566 , his appointment as shogun was contingent on his claim to Matsudaira kinship and a link to the Seiwa Genji .
 person: Ieyasu Tokugawa
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Ieyasu Tokugawa 
Answer:
 person: Ieyasu Tokugawa