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Her son was proof that Napoleon was capable of producing an heir and that his wife , Joséphine de Beauharnais , was infertile ; as a result , he divorced Joséphine and married Marie Louise of Austria .
 Napoleon, Joséphine de Beauharnais, Joséphine, Marie Louise of Austria
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Napoleon, Joséphine de Beauharnais, Joséphine, Marie Louise of Austria