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Kathleen was the sole beneficiary of Epstein 's estate upon his death , and although she sold much of his collection in accordance with his will , she retained a number of objects that were said to be of significance to her .
 Kathleen, Epstein
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kathleen, Epstein