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Grabau was married on 15 July 1834, to Christine Sophia Burgraf, the daughter of Johann Johannes Andreas August Grabau Burggraf and Friedericke Louise Elizabeth Beulke. They had at least three children: Johann, Wilhelm and Beata. Grabau died on 2 June 1879 in Buffalo , New York, shortly before the 40th anniversary of his arrival in the United States.
 place of death: Johannes Andreas August Grabau, Buffalo
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 death: Johannes Andreas August Grabau, Buffalo