Maud Carnegie, Countess of Southesk (née Lady Maud Duff; 3 April 1893 – 14 December 1945), titled Princess Maud from 1905 to 1923, was a granddaughter of the British king Edward VII. Maud and her elder sister, Alexandra , had the distinction of being the only female-line descendants of a British sovereign officially granted both the title of Princess and the style of Highness .
Mary, Princess Royal and Countess of Harewood (Victoria Alexandra Alice Mary; 25 April 1897 – 28 March 1965), was the only daughter of King George V and Queen Mary. She was the sister of kings Edward VIII and George VI, and aunt of Queen Elizabeth II. In the First World War, she performed charity work in support of servicemen and their families.