question: Who is the paternal grandfather of Prince Henri Of Orléans?
context: [["Prince Henri of Orl\u00e9ans", ["Prince Henri of Orl\u00e9ans (16 October 1867 \u2013 9 August 1901) was the son of Prince Robert, Duke of Chartres, and Princess Fran\u00e7oise of Orl\u00e9ans."]], ["Henri, Count of Paris (1908\u20131999)", ["Henri of Orl\u00e9ans, Count of Paris( Henri Robert Ferdinand Marie d' Orl\u00e9ans; 5 July 1908 \u2013 19 June 1999), was the Orl\u00e9anist claimant to the throne of France as Henry VI from 1940 until his death."]], ["Princess Claude of Orl\u00e9ans", ["Princess Claude of Orl\u00e9ans( Claude Marie Agn\u00e8s Catherine; born 11 December 1943) is a French princess of the House of Orl\u00e9ans.", "She is the former wife of Prince Amedeo, Duke of Aosta, a disputed head of the House of Savoy."]], ["Duchess Marie-Th\u00e9r\u00e8se of W\u00fcrttemberg", ["Duchess Marie Th\u00e9r\u00e8se of W\u00fcrttemberg (born 12 November 1934) known as Duchess of Montpensier, is a German-born aristocrat.", "A daughter of the claimant to the royal throne of W\u00fcrttemberg, abolished in 1918, she was the first wife of Prince Henri, Count of Clermont.", "Duchess Marie Th\u00e9r\u00e8se is the mother of Prince Jean, Duke of Vend\u00f4me, head of the House of Orl\u00e9ans and Orl\u00e9anist claimant to the French throne."]], ["Philip, Count of Vertus", ["Philip of Orl\u00e9ans, Count of Vertus( 21/24 July 1396 \u2013 1 September 1420), was the second son of Louis I, Duke of Orl\u00e9ans, and Valentina Visconti, and a grandson of Charles V of France.", "His older brother was the noted poet Charles, Duke of Orl\u00e9ans and his younger brother was John, Count of Angoul\u00eame."]], ["Charles Belgique Hollande de La Tr\u00e9moille", ["Prince Charles Belgique Hollande de La Tr\u00e9mo\u00eflle( May 1655 \u2013 1 June 1709), 4th Duke of Thouars, was a French nobleman.", "He was the second child and eldest son of Prince Henri Charles de La Tr\u00e9moille( son and heir of Prince Henri de La Tr\u00e9moille, 3rd Duke of Thouars and his wife Princess Marie de La Tour d' Auvergne of Bouillon) and his wife Princess Emilie of Hesse- Kassel( daughter of Prince William V, Prince of Hesse- Kassel and his wife Countess Amalie Elisabeth of Hanau- M\u00fcnzenberg).", "Brought up a Calvinist, in 1668 his father had converted to Catholicism and then forcibly converted his children as well.", "His mother and eldest sister fled to the Netherlands."]], ["Prince Robert, Duke of Chartres", ["Prince Robert Philippe Louis Eug\u00e8ne Ferdinand of Orl\u00e9ans, Duke of Chartres (November 9, 1840 \u2013 December 5, 1910) was the son of Prince Ferdinand Philippe, Duke of Orl\u00e9ans, and thus grandson of King Louis-Philippe of France.", "He fought for the Union in the American Civil War, and then for France in the 1870 Franco-Prussian War.", "In 1863 he married his cousin Princess Fran\u00e7oise of Orl\u00e9ans, the daughter of Fran\u00e7ois, Prince of Joinville.", "In 1886, he was exiled from France."]], ["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."]], ["Princess Anne of Orl\u00e9ans", ["Princess Anne of Orl\u00e9ans(\" Anne H\u00e9l\u00e8ne Marie\"; 5 August 1906, Le Nouvion- en- Thi\u00e9rache, Aisne \u2013 19 March 1986, Sorrento) was a member of the House of Orl\u00e9ans and the Duchess of Aosta by marriage.", "She was the daughter of Prince Jean, Duke of Guise and Princess Isabelle of Orl\u00e9ans."]], ["Princess Marie of Liechtenstein (b. 1959)", ["Princess Marie of Liechtenstein(\" n\u00e9e\" Princess Marie Isabelle Marguerite Anne Genevi\u00e8ve of Orl\u00e9ans; born Boulogne- Billancourt, France on 3 January 1959) is the eldest daughter of Prince Henri, Count of Paris, Duke of France and his former wife Duchess Marie Th\u00e9r\u00e8se of W\u00fcrttemberg.", "She is the wife of Prince Gundakar of Liechtenstein, a great- grandson of Prince Alfred of Liechtenstein."]]]
supporting_facts: [["Prince Henri of Orl\u00e9ans", 0], ["Prince Robert, Duke of Chartres", 0]]
evidences: [["Prince Henri of Orl\u00e9ans", "father", "Prince Robert, Duke of Chartres"], ["Prince Robert, Duke of Chartres", "father", "Prince Ferdinand Philippe, Duke of Orl\u00e9ans"]]
answer: Prince Ferdinand Philippe, Duke of Orléans