Acceded 26 Jun 1830; About 1791 he formed a liaison with the Irish actor Dorothea Jordon (1762-1816), by whom he had ten children. In 1818, after he unexpectedly came into the line of succession to the throne, he married a German princess, Adelaide of Saxe-Mainingen (1797-1849), by whom he had two daughters, both of whom died in infancy. Warmhearted and well intentioned but rather eccentric, William had virtually no political judgement. William was succeeded to the British throne by his niece Victoria. The throne of Hanover was inherited by his brother Ernest
Augustus.