68158
He died on 13 November 1170 , possibly in Stendal , and was buried at Ballenstedt .
 Stendal, Ballenstedt
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Stendal, Ballenstedt