170665
He fought in the international brigades in the civil war of Spain together with others including future Stasi chief Erich Mielke .
 Stasi, Erich Mielke
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Stasi, Erich Mielke