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In 1270 , Umkirch is given to the knight Dietrich Snewlin , later to several others , among them Martin Malterer , the count palatine s of Tübingen and Flora Countess of Wrbna , until it was given to Grand Duchess Stephanie of Baden .
 Umkirch, Tübingen
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Umkirch, Tübingen