Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Frederick Henry Louis (18 January 1726 3 August 1802), commonly known as Henry (Heinrich), was a Prince of Prussia. He also served as a general and statesman, and, in 1786, was suggested as a candidate for a monarch for the United States.Born in Berlin, Henry was the 13th child of King Frederick William I of Prussia and Princess Sophia Dorothea of Hanover. The younger brother of King Frederick II of Prussia, Henry''s conflicts with "Frederick the Great" are almost legendary.