Question: Who was the third daughter of the Earl Curzon of Kedleston?

full_context: Document 1: Francis Curzon, 5th Earl Howe: Francis Richard Henry Penn Curzon, 5th Earl Howe, {'1': ", '2': ", '3': ", '4': "} (1 May 1884, Mayfair, London – 26 July 1964, Amersham, Buckinghamshire), styled as Viscount Curzon from 1900 to 1929, was a British naval officer, Member of Parliament, and motor racing driver and promotor. In the 1918 UK General Election he won the Battersea South seat as the candidate of the Conservative Party, which he held until 1929. While in Parliament he took up motor racing, and later won the 1931 24 Hours of Le Mans race. He ascended to the Peerage in 1929, succeeding his father as the 5th Earl Howe. Earl Howe co-founded the British Racing Drivers' Club with Dudley Benjafield in 1928, and served as its President until his death in 1964.
Document 2: Mary Curzon, Baroness Curzon of Kedleston: Mary Victoria Curzon, Baroness Curzon of Kedleston, CI (27 May 187018 July 1906) was a British peeress of American background who was Vicereine of India, as the wife of Lord Curzon of Kedleston, Viceroy of India. As Vicereine of India, she held the highest official title in history of any American woman up to her time.
Document 3: Winston Churchill: Sir Winston Leonard Spencer-Churchill, {'1': ", '2': ", '3': ", '4': "} (30 November 187424 January 1965) was a British statesman, army officer, and writer. He served as Prime Minister of the United Kingdom from 1940 to 1945 and again from 1951 to 1955. As a Member of Parliament (MP), he represented five constituencies over the course of his career. As Prime Minister, Churchill led Britain to victory during World War II. He led the Conservative Party for fifteen years from 1940 to 1955.
Document 4: George Curzon, 1st Marquess Curzon of Kedleston: George Nathaniel Curzon, 1st Marquess Curzon of Kedleston (11 January 1859 – 20 March 1925), known as The Lord Curzon of Kedleston between 1898 and 1911 and as The Earl Curzon of Kedleston between 1911 and 1921, was a British Conservative statesman.
Document 5: Edwina Mountbatten, Countess Mountbatten of Burma: Edwina Cynthia Annette Mountbatten, Countess Mountbatten of Burma, ("née" Ashley; 28 November 1901 – 21 February 1960) was an English heiress, socialite, relief worker and the last Vicereine of India as wife of Louis Mountbatten, 1st Earl Mountbatten of Burma.
Document 6: Viscount Scarsdale: Viscount Scarsdale, of Scarsdale in the County of Derby, is a title in the Peerage of the United Kingdom. It was created in 1911 for the prominent Conservative politician and former Viceroy of India George Curzon, 1st Baron Curzon of Kedleston, who was created Earl Curzon of Kedleston at the same time and was later made Marquess Curzon of Kedleston.
Document 7: Stanley Baldwin: Stanley Baldwin, 1st Earl Baldwin of Bewdley, (3 August 186714 December 1947) was a British Conservative politician who dominated the government in his country between the two world wars. Three times Prime Minister, he is the only premier to have served under three monarchs (George V, Edward VIII and George VI).
Document 8: Irene Curzon, 2nd Baroness Ravensdale: Mary Irene Curzon, 2nd Baroness Ravensdale, CBE (20 January 1896 – 9 February 1966) was the eldest child of George Curzon, 1st Marquess Curzon of Kedleston and Mary Victoria Leiter, a daughter of Levi Ziegler Leiter.
Document 9: Lady Alexandra Curzon: Lady Alexandra Naldera Curzon, CBE (20 March/April 1904 – 7 August 1995), was the third daughter of George Curzon, 1st Marquess Curzon of Kedleston and Viceroy of India, and Lord Curzon's first wife, the American mercantile heiress, Mary Victoria Curzon, Baroness Curzon of Kedleston (née Leiter). She was named after her godmother, Queen Alexandra and her place of conception, Naldehra, India. She and her two older sisters were memorialized by Anne de Courcy in "The Viceroy's Daughters: The Lives of the Curzon Sisters".
Document 10: Archibald Primrose, 5th Earl of Rosebery: Archibald Philip Primrose, 5th Earl of Rosebery, 1st Earl of Midlothian, (7 May 1847 – 21 May 1929) was a British Liberal statesman who served as Prime Minister of the United Kingdom from 5 March 1894 to 22 June 1895. Between the death of his father, in 1851, and the death of his grandfather, the 4th Earl, in 1868, he was known by the courtesy title of Lord Dalmeny.
Document 11: Anthony Eden: Robert Anthony Eden, 1st Earl of Avon, (12 June 1897 – 14 January 1977) was a British Conservative politician who served three periods as Foreign Secretary and then a relatively brief term as Prime Minister of the United Kingdom from 1955 to 1957.
Document 12: Mary of Teck: Mary of Teck (Victoria Mary Augusta Louise Olga Pauline Claudine Agnes; 26 May 1867 – 24 March 1953) was Queen of the United Kingdom and the British Dominions and Empress of India as the wife of King-Emperor George V.
Document 13: Princess Alexandra of Saxe-Coburg and Gotha: Princess Alexandra of Saxe-Coburg and Gotha, , (Alexandra Louise Olga Victoria; 1 September 1878 – 16 April 1942), was the fourth child and third daughter of Alfred, Duke of Edinburgh and Grand Duchess Maria Alexandrovna of Russia. She was a granddaughter of Queen Victoria of the United Kingdom as well as of Tsar Alexander II of Russia.
Document 14: George Goschen, 1st Viscount Goschen: George Joachim Goschen, 1st Viscount Goschen PC DL, FBA (10 August 1831 – 7 February 1907) was a British statesman and businessman best remembered for being "forgotten" by Lord Randolph Churchill. He was initially a Liberal, then a Liberal Unionist before joining the Conservative Party by the time of the 1895 General Election.
Document 15: Grace Curzon, Marchioness Curzon of Kedleston: Grace Elvina Curzon, Marchioness Curzon of Kedleston, GBE ("née" Trillia Hinds; 16 May 1885 – 29 June 1958) was a United States-born British marchioness and the second wife of George Curzon, British parliamentarian, cabinet minister, and former Viceroy of India.
ground_truth: Lady Alexandra Naldera Curzon