George III and Queen Charlotte of Great Britain had fifteen children between 1762 and 1783, the throne was safe, or so they would have thought, until disaster struck the British royal family. In 1817 Princess Charlotte of Wales, the Prince Regent, later George IV, and Caroline of Brunswick's daughter, died in childbirth and the Hanoverian dynasty was thrown into a period of panic and insecurity. They were left without an heir - an unthinkable situation...