Question: Otto Eduard Leopold, Prince of Bismarck's titled name, Otto von Bismarck, comes from Bismarck, in what district of Germany?
Sentence (from "House of Bismarck"): He was granted the hereditary title of Prince of Bismarck in 1871, a hereditary comital title in 1865 and a ducal title, Duke of Lauenburg, held only for his own lifetime.
Relevant evidence: No