8573
Several accounts identify his paternal grandmother with Aimée du Buc de Rivéry , a cousin of Empress Joséphine .
 Aimée du Buc de Rivéry, Joséphine
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Aimée du Buc de Rivéry, Joséphine