Question: Who is the son of the former Queen of the United Kinddom? 

full_context: Document 1: 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 2: George VI: George VI (Albert Frederick Arthur George; 14 December 1895 – 6 February 1952) was King of the United Kingdom and the Dominions of the British Commonwealth from 11 December 1936 until his death. He was the last Emperor of India and the first Head of the Commonwealth.
Document 3: Prince Richard, Duke of Gloucester: Prince Richard, Duke of Gloucester, {'1': ", '2': ", '3': ", '4': "} (Richard Alexander Walter George; born 26 August 1944) is the youngest grandchild of King George V and Queen Mary. He practised as an architect until the death of his elder brother placed him in direct line to inherit his father's dukedom of Gloucester, which he inherited, as the second duke, in 1974. He is currently 24th in the line of succession to the British throne. He is also the senior male line descendant of three British monarchs: Victoria, Edward VII and George V .
Document 4: Prince George of Denmark: Prince George of Denmark and Norway, Duke of Cumberland (Danish: "Jørgen" ; 2 April 165328 October 1708), was the husband of Queen Anne, who reigned over Great Britain from 1702.
Document 5: George V: George V (George Frederick Ernest Albert; 3 June 1865 – 20 January 1936) was King of the United Kingdom and the British Dominions, and Emperor of India, from 6 May 1910 until his death in 1936.
Document 6: Prince George of Cambridge: Prince George of Cambridge (George Alexander Louis; born 22 July 2013) is the elder child and only son of Prince William, Duke of Cambridge, and Catherine, Duchess of Cambridge. He is third in line of succession to the British throne, after his paternal grandfather, and father.
Document 7: 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 8: 1936 in the United Kingdom: Events from the year 1936 in the United Kingdom. The year is notable for the death of George V early in the year, the accession of his son Edward VIII (previously styled David, Prince of Wales) to the throne, and then Edward VIII's abdication, resulting in the accession to the throne of his younger brother George VI (previously Albert, Duke of York).
Document 9: Prince George, Duke of Kent: Prince George, Duke of Kent, {'1': ", '2': ", '3': ", '4': "} (George Edward Alexander Edmund; 20 December 1902 – 25 August 1942) was the fourth son of George V of the United Kingdom and Queen Mary.
Document 10: Charlotte of Mecklenburg-Strelitz: Charlotte of Mecklenburg-Strelitz (Sophia Charlotte; 19 May 1744 – 17 November 1818) was by marriage to King George III the Queen of Great Britain and Ireland from her wedding in 1761 until the union of the two kingdoms in 1801, after which she was Queen of the United Kingdom of Great Britain and Ireland until her death in 1818. She was also the Electress of Hanover in the Holy Roman Empire until the promotion of her husband to King of Hanover on 12 October 1814, after which she was also queen consort of Hanover.
Document 11: August 1942 Dunbeath Air Crash: The August 1942 Dunbeath Air Crash involved the loss of a Mark 3 Short S.25 Sunderland that crashed in the Scottish Highlands on a headland known as Eagle's Rock near Dunbeath, Caithness on 25 August 1942. The crash killed 14 of 15 passengers and crew, including HRH Prince George, Duke of Kent who was on duty as an Air Commodore in the Royal Air Force on a mission to Reykjavik; a loss keenly felt by the British Prime Minister. A Royal Air Force Board of Inquiry determined that the crash was the result of a navigational error by the crew.
Document 12: Prince George William of Great Britain: Prince George William of Great Britain (13 November 1717 – 17 February 1718) was an infant member of the British royal family, second son of George II and Caroline of Ansbach who, at the time of his birth, were the Prince and Princess of Wales. He died aged 3 months, 4 days.
Document 13: Elizabeth II: Elizabeth II (Elizabeth Alexandra Mary; born 21 April 1926 ) has been Queen of the United Kingdom, Canada, Australia, and New Zealand since 6 February 1952. Additionally, she is Head of the Commonwealth and Queen of 12 countries that have become independent since her accession: Jamaica, Barbados, the Bahamas, Grenada, Papua New Guinea, Solomon Islands, Tuvalu, Saint Lucia, Saint Vincent and the Grenadines, Belize, Antigua and Barbuda, and Saint Kitts and Nevis.
Document 14: Prince Georg of Hanover: Prince Georg of Hanover ("Georg Paul Christian Prinz von Hannover"), Duke of Brunswick-Lüneburg (born 9 December 1949 at Schloss Salem in Salem, Baden-Württemberg, Germany). Georg is the second eldest son of Prince George William of Hanover and his wife Princess Sophie of Greece and Denmark, an elder sister of Prince Philip, Duke of Edinburgh. Georg is a male-line descendant of George III of the United Kingdom and Charlotte of Mecklenburg-Strelitz and a descendant of Albert, Prince Consort and Victoria of the United Kingdom through their daughters Victoria, Princess Royal and Princess Alice of the United Kingdom. He is a first cousin of Charles, Prince of Wales and nephew of Prince Philip, Duke of Edinburgh and Elizabeth II of the United Kingdom.
Document 15: 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.
ground_truth: Prince George, Duke of Kent