Johanna von Puttkamer
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Johanna von Puttkamer (11 April 1824 - 27 November 1894) was a Prussian noblewoman, also known as Johanna von Bismarck. She was the sister of statesman Robert von Puttkamer.
She married Otto von Bismarck in 1847. They had three (3) children: one daughter and two sons (Herbert and Wilhelm).