5404
They have four children : a son Carl-Eduard von Bismarck was briefly a Member of the Bundestag , the lower house of the German parliament ; a son was Count Gottfried von Bismarck ( 1962 – July 2 , 2007 ) ; Gregor von Bismarck-Schönhausen ( 1964 ) ; Vanessa von Bismarck-Schönhausen ( 1971 ) .
 person: Carl-Eduard von Bismarck; person: Gottfried von Bismarck; person: von; person: von
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Carl-Eduard von Bismarck; person: Gottfried von Bismarck; person: von; person: von