Princess Johanna Elisabeth (1712-1760) was the daughter of Prince Christian August of Schleswig-Holstein-Gottorp, Prince of Eutin and sister of King Adolf Frederick of Sweden. She married Christian August, Prince of Anhalt-Zerbst (1690-1747). They had five children, one of them, Sophie Auguste Fredericka (1729-1796) later became Catherine II the Great, Empress of Russia.
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