Mary, Princess Royal and Countess of Harewood Mary, Princess Royal and Countess of Harewood Mary, Princess Royal and Countess of Harewood (Victoria Alexandra Alice Mary; 25 April 1897 – 28 March 1965) was a member of the British royal family. She was the third child and only daughter of King George V and Queen Mary and was born during the reign of Queen Victoria, her great-grandmother. Mary was the paternal aunt of the current British monarch, Queen Elizabeth II. Her education started at home. World War I brought Mary out of seclusion as she launched a charity campaign to support British troops and sailors. She eventually became
Princess Mary Adelaide of Cambridge 27 October 1897 at White Lodge, following an emergency operation. She was buried in the royal vault at St. George's Chapel, Windsor. As a male-line granddaughter of the British monarch, she was styled "Her Royal Highness" Princess Mary Adelaide of Cambridge. As the male-line granddaughter of a king of Hanover, Princess Mary Adelaide also bore the titles of Princess of Hanover and Duchess of Brunswick-Lüneburg. Princess Mary Adelaide of Cambridge Princess Mary Adelaide of Cambridge (Mary Adelaide Wilhelmina Elizabeth; 27 November 1833 – 27 October 1897) was a member of the British royal family, a granddaughter of George III, grandmother