What was the name of King George V's only daughter?

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.

Princess Mary was born at York Cottage on the Sandringham Estate in Norfolk, England. Her parents were the then Duke and Duchess of York. Her father was the eldest surviving son of the then Prince and Princess of Wales.

She was named after her paternal great-grandmother Queen Victoria; her paternal grandmother, Alexandra, Princess of Wales; and her maternal grandmother, Princess Mary of Teck. Since she had the same birthday as her deceased great-aunt Alice, Grand Duchess of Hesse and by Rhine, the name Alice was added in. She was always known by the last of her Christian names, Mary. She was fifth in the line of succession at the time of her birth.

On 28 February 1922, Princess Mary married Viscount Lascelles (9 September 1882 – 23 May 1947), the elder son of the then Earl of Harewood, and Lady Florence Bridgeman, daughter of Orlando Bridgeman, 3rd Earl of Bradford of Weston Park. Their wedding at Westminster Abbey was the first royal occasion in which the future Queen Elizabeth (wife of King George VI and mother of Queen Elizabeth II), a friend of Princess Mary and one of the bridesmaids, participated. The Princess was 24, Lord Lascelles was 39.