question: Who is the paternal grandfather of Lord Nicholas Windsor?
context: [["Prince Edward, Duke of Kent", ["Prince Edward, Duke of Kent, (Edward George Nicholas Paul Patrick; born 9 October 1935) is a member of the British royal family.", "He is a first cousin of Queen Elizabeth II through their fathers, Prince George, Duke of Kent, and King George VI.", "Because his mother, Princess Marina of Greece and Denmark was a cousin of Prince Philip, Duke of Edinburgh, Edward is both a second cousin and first cousin once removed to Prince Charles and his siblings.", "He has held the title of Duke of Kent since the age of six, after the death of his father in a plane crash in 1942.", "He carries out engagements on behalf of the Queen.", "He is president of the All England Lawn Tennis and Croquet Club, presenting the trophies to the Wimbledon champion and runner-up, and served as the United Kingdom's Special Representative for International Trade and Investment, retiring in 2001.", "He is president of The Scout Association, the Royal United Services Institute, and the Royal Institution of Great Britain, and since 1967 Grand Master of the United Grand Lodge of England.", "He is also patron of the Institute of Advanced Motorists, an independent road safety charity which specialises in training and advice for post-licence drivers and riders."]], ["Abd al-Muttalib", ["Abd al- Muttalib Shaybah ibn Hashim( c. 497 \u2013 578) was the grandfather of Islamic prophet Muhammad."]], ["Kaya Alp", ["Kaya Alp was, according to Ottoman tradition, the son of K\u0131z\u0131l Bu\u011fa and the father of Suleyman Shah, who was, in turn, the grandfather of Ertu\u011frul, and the great grandfather of the Ottoman Empire founder, Osman I."]], ["Lady Nicholas Windsor", ["Lady Nicholas Windsor( born Paola Louise Marica Doimi de Lupis; 7 August 1969) is the wife of Lord Nicholas Windsor, son of the Duke and Duchess of Kent."]], ["John Westley", ["Rev. John Westley( 1636 \u2013 78) was an English nonconformist minister.", "He was the grandfather of John Wesley( founder of Methodism)."]], ["Lord Nicholas Windsor", ["Lord Nicholas Charles Edward Jonathan Windsor (born 25 July 1970) is a member of the British royal family, the youngest child of Prince Edward, Duke of Kent, and Katharine, Duchess of Kent, and a great-grandson of", "King George V. He is a first cousin once removed of Queen Elizabeth II."]], ["Henry Krause", ["Henry J.\" Red\" Krause, Jr.( August 28, 1913 \u2013 February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.", "He played college football at St. Louis University.", "He is the grandfather of Jennifer Krause", "He is the great grandfather of Payton Hoeing"]], ["Zhao Shoushan", ["Zhao Shoushan( 12 November 1894 \u2013 20 June 1965) was a KMT general and later Chinese Communist Party politician.", "He is the grandfather of Zhao Leji."]], ["Lyon Cohen", ["Lyon Cohen( 1868\u20131937) was a Polish- born Canadian businessman and a philanthropist.", "He was the grandfather of singer/ poet Leonard Cohen."]], ["Fred Le Deux", ["Frederick\" Fred\" Le Deux( born 4 December 1934) was an Australian rules footballer who played with Geelong in the Victorian Football League( VFL).", "He is the grandfather of Tom Hawkins."]]]
supporting_facts: [["Lord Nicholas Windsor", 0], ["Prince Edward, Duke of Kent", 1]]
evidences: [["Lord Nicholas Charles Edward Jonathan Windsor", "father", "Prince Edward, Duke of Kent"], ["Prince Edward, Duke of Kent", "father", "Prince George, Duke of Kent"]]
answer: Prince George, Duke of Kent