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 the family was able to quickly move to Marienburg Castle (Hanover) with all their furniture, transported by British army trucks, on the order of King George VI. Duke Ernest Augustus died at Marienburg Castle in 1953. His Herrenhausen Palace in Hanover had been completely destroyed during World War II. His eldest son, Prince Ernest Augustus, sold his remaining property at Herrenhausen Gardens in 1961, but kept the nearby "Princely House", a small palace built in 1720 by George I for his daughter Anna Louise. It is now his grandson Ernest Augustus's private home, along with Marienburg Castle. The later heads