About Mary, Princess Royal and Countess of Harewood
Mary, Princess Royal (Victoria Alexandra Alice Mary; 25 April 1897 – 28 March 1965), was a member of the British royal family. She was the only daughter of King George V and Queen Mary, the sister of kings Edward VIII and George VI, and the aunt of Queen Elizabeth II. During the First World War, she undertook extensive charity work in support of servicemen and their families. In 1922, she married Henry Lascelles, Viscount Lascelles (later the 6th Earl of Harewood), and they had two sons, George Lascelles, 7th Earl of Harewood, and Gerald David Lascelles. Mary was granted the title Princess Royal in 1932. During the Second World War, she served as Controller Commandant of the Auxiliary Territorial Service. She was the only daughter of King George V and Queen Mary, the sister of kings Edward VIII and George VI, and aunt of Elizabeth II. Mary was given the title of Princess Royal in 1932. The Princess Royal and the Earl of Harewood had two sons, George Lascelles, 7th Earl of Harewood, and Gerald David Lascelles.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.