He was Graf von Bismarck-Sch Ã nhausen ( Count Bismarck-Sch Ã nhausen ) in 1865 , then since 1871 FÃ 1\/4 rst von Bismarck ( Prince Bismarck ) and since 1890 the Herzog von Lauenburg ( Duke of Lauenburg ) . Bismarck was created Graf von Bismarck-Sch Ã nhausen ( `` Count of Bismarck-Sch Ã nhausen '' ) in 1865 ; this comital title is borne by all his descendants in the male line . In 1871 , he was further created FÃ 1\/4 rst von Bismarck ( `` Prince of Bismarck '' ) and accorded the style of Durchlaucht ( equivalent to `` Serene Highness '' ) .