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The Rudolf von Erlach Erlach family was a noble Bern ese patrician family. They first became citizens of Bern around 1300. During the 17th and 18th Centuries they were one of the leading families in Bern. For centuries the family served as senior military commanders in both Bern and in foreign armies. They were mayors of Bern and ruled over many other towns and cities in western Switzerland. Several family members received the upper nobility title Reichsgraf.
 place of birth: Rudolf von Erlach, Bern
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: place of death, place of birth, education degree, education institution 
Text: {0} 
Answer:
 place of birth: Rudolf von Erlach, Bern