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He was the only son of Erdmann August , Hereditary Margrave ( Erbmarkgraf ) of Brandenburg-Bayreuth , by his wife and first cousin , Sophie of Brandenburg-Ansbach .
 Erdmann August, Margrave, Brandenburg-Bayreuth, Sophie
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Erdmann August, Margrave, Brandenburg-Bayreuth, Sophie