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Ivan Maisky was born Jan Lachowiecki to a Russified Polish family living in Imperial Russia .
 person: Ivan Maisky; location: Imperial Russia
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Ivan Maisky; location: Imperial Russia