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 title "Royal Prince of Great Britain and Ireland" had been entered into the family's German passports, together with the German titles, in 1914. After the German Revolution of 1918–19, with the abolishment of nobility's privileges, titles officially became parts of the last name. So, curiously, the British prince's title is still part of the family's last name in their German passports, while it is no longer mentioned in their British documents. On 29 August 1931, Ernest Augustus, Duke of Brunswick, as head of the House of Hanover, declared the formal resumption, for himself and his dynastic descendants, of use of