George III was King of Great Britain and Ireland from 25 October 1760 until his death in 1820. The Acts of Union 1800 unified Great Britain and Ireland into the United Kingdom of Great Britain and Ireland, with George as its king. Wikipedia
Born: June 4, 1738, Norfolk House, London, United Kingdom
Died: January 29, 1820 (age 81 years), Windsor Castle, Windsor, United Kingdom
Children: George IV, William IV, Prince Edward, Duke of Kent and Strathearn, and more
Spouse: Charlotte of Mecklenburg-Strelitz (m. 1761–1818)
Grandchildren: Queen Victoria, Princess Charlotte of Wales, Princess Mary Adelaide of Cambridge, and more
Great grandchildren: Edward VII, Mary of Teck, Princess Alice of the United Kingdom, and more
Parents: Frederick, Prince of Wales and Princess Augusta of Saxe-Gotha