Princess Augusta of Cambridge Duchess of Mecklenburg-Strelitz died on 5 December 1916 in Neustrelitz and was buried in Mirow. As the longest-lived grandchild of George III, she was the last link to the British branch of the House of Hanover. At the time of her death, she was 94 years, 4 months and 16 days old, making her the longest-lived British Princess of the Blood Royal until Princess Alice, Countess of Athlone, a male-line granddaughter of Queen Victoria, broke the record in 1977, aged over 97 years old. As a male-line granddaughter of the British monarch, she was a princess of the United Kingdom
House of Hanover Hanover in 1803. In 1884, the senior branch of the House of Welf became extinct. By semi-Salic law, the House of Hanover would have acceded to the Duchy of Brunswick, but there had been strong Prussian pressure against having George V of Hanover or his son, the Duke of Cumberland, succeed to a member state of the German Empire, at least without strong conditions, including swearing to the German constitution. By a law of 1879, the Duchy of Brunswick established a temporary council of regency to take over at the Duke's death, and if necessary appoint a regent. The Duke