At a national level he was a member of the East German National legislature ( Volkskammer ) .
Gustav Siemon ( 20 June 1918 -- 17 January 2011 ) was a German politician .
At a national level Gustav Siemon was a politician of the German   National legislature ( Volkskammer ) .
Gustav Siemon ( 20 June 1918 -- 17 January 2011 ) was a German politician .