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He remarried , at Asker Church outside Oslo on 12 January 1961 to Princess Astrid of Norway , the second daughter of Olav V of Norway and Princess Märtha of Sweden .
 location: Asker; person: Princess Astrid of Norway; person: Olav V of Norway; person: Princess Märtha of Sweden
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:
 location: Asker; person: Princess Astrid of Norway; person: Olav V of Norway; person: Princess Märtha of Sweden