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Their paternal grandparents were Louis VIII of France and Blanche of Castile .
 person: Louis VIII of France; person: Blanche of Castile
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: Louis VIII of France; person: Blanche of Castile