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Joseph Kessler ( Joseph Aloysius Kessler ; ; ) ( August 12 , 1862 – December 10 , 1933 ) was the last bishop of the Diocese of Tiraspol ( Russia ) and the last Volga German bishop .
 Kessler, Kessler
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kessler, Kessler