"The House of Bismarck is a German noble family that rose to prominence in the 19th century, largely through the achievements of the statesman Otto von Bismarck. He was granted a hereditary comital title in 1865, the hereditary title of Prince of Bismarck in 1871, and the non-hereditary title of Duke of Lauenburg in 1890. Several of Otto von Bismarck´s descendants, notably his elder son Herbert, Prince of Bismarck, were also politicians." - (en.wikipedia.org 23.11.2019)
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