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Madoff Swanson is the husband of Shana Madoff , daughter of Peter Madoff , and a niece of Bernard Madoff , who operated a Ponzi scheme that is considered to be the largest financial fraud in U.S. history .
 Madoff Swanson, Shana Madoff, Madoff, Bernard Madoff
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Madoff Swanson, Shana Madoff, Madoff, Bernard Madoff