"Princess Frederica Charlotte of Prussia (Friederike Charlotte Ulrike Katharina; 7 May 1767 – 6 August 1820) was a Prussian and British princess. She was the eldest ...
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daughter of King Frederick William II of Prussia and the wife of Prince Frederick, Duke of York and Albany, second son of King George III of the United Kingdom." - (en.wikipedia.org 02.02.2021)