Kingdom of Hanover years of George III's reign and the reigns of kings George IV and William IV from 1816 to 1837, was Adolph Frederick, George III's youngest surviving son. When Queen Victoria succeeded to the British throne in 1837, the 123-year personal union of Great Britain and Hanover ended. Salic law operated in Hanover, excluding accession to the throne by a female while any male of the dynasty survived; thus instead of Victoria, her uncle in the male-line of the House of Hanover, Ernest Augustus, now the eldest surviving son of George III, succeeded to the throne of the new kingdom as
House of Hanover Act 1705. According to the decision taken by a court of the House of Lords, all family members bear the last name "Guelph" in the UK and are styled Royal Highnesses in their documents. Many towns and provinces across the British Empire were named after the ruling House of Hanover and its members, among them the U.S. state of Georgia, U.S. towns Hanover, Massachusetts, Hanover, New Hampshire, Hanover, Pennsylvania, Hanover Township, Jo Daviess County, Illinois, counties Hanover County, Virginia, Caroline County, Virginia, Brunswick County, Virginia, Brunswick County, North Carolina, places named Georgia in New Jersey, Vermont, Arkansas and South Dakota,