question: Who is the paternal grandmother of Prince Robert, Duke Of Chartres?
context: [["Hubba bint Hulail", ["Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic\" Nab\u012b\"( Prophet) Muhammad ibn Abdullah."]], ["Anne Denman", ["Anne Denman( 1587\u20131661) was born in Olde Hall, Retford, Nottinghamshire.", "Through a fortunate second marriage with Thomas Aylesbury, she became the grandmother of Lady Anne Hyde, Duchess of York and great- grandmother of Queen Mary II and Queen Anne."]], ["Hannah Arnold", ["Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children."]], ["Tjuyu", ["Tjuyu( sometimes transliterated as Thuya or Thuyu) was an Egyptian noblewoman and the mother of queen Tiye, and the wife of Yuya.", "She is the grandmother of Akhenaten, and great grandmother of Tutankhamun."]], ["Ferdinand Philippe, Duke of Orl\u00e9ans", ["Prince Ferdinand Philippe of Orl\u00e9ans (3 September 1810 \u2013 13 July 1842) was the eldest son of Louis Philippe d'Orl\u00e9ans, Duke of Orl\u00e9ans (the future King Louis Philippe I) and Maria Amalia of Naples and Sicily.", "Born in exile in his mother's native Sicily, he was heir to the House of Orl\u00e9ans from birth.", "Following his father's succession as King of the French in 1830, he became the \"Prince Royal\" and subsequently Duke of Orl\u00e9ans (French: \"Duc d'Orl\u00e9ans\"), the title by which he is best known.", "He died in 1842, never to succeed his father or see the collapse of the July Monarchy and subsequent exile of his family to England."]], ["Kaoru Hatoyama", ["After the elections of 2009, she became more widely known as the grandmother of Prime Minister Yukio Hatoyama and his politician brother Kunio Hatoyama."]], ["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."]], ["Louisa Montagu Douglas Scott, Duchess of Buccleuch", ["Louisa Jane Montagu Douglas Scott, Duchess of Buccleuch and Queensberry( 26 August 1836 \u2013 16 March 1912) was the daughter of James Hamilton, 1st Duke of Abercorn.", "In 1884, she became the Duchess of Buccleuch and Duchess of Queensberry, the wife of William Henry Walter Montagu Douglas Scott, 6th Duke of Buccleuch& 8th Duke of Queensberry.", "She was the paternal grandmother of Princess Alice, Duchess of Gloucester and of Marian Louisa, Lady Elmhirst, as well as the maternal great- grandmother of Prince William of Gloucester, Prince Richard, Duke of Gloucester and great- great- grandmother of Sarah, Duchess of York."]], ["Prince Jean, Duke of Guise", ["Prince Jean of Orl\u00e9ans, Duke of Guise( Jean Pierre Cl\u00e9ment Marie; 4 September 1874 \u2013 25 August 1940), was the third son and youngest child of Prince Robert, Duke of Chartres( 1840 \u2013 1910), grandson of Prince Ferdinand Philippe and great- grandson of Louis Philippe I, King of the French.", "His mother was Fran\u00e7oise of Orl\u00e9ans, daughter of Fran\u00e7ois, Prince of Joinville, and Princess Francisca of Brazil."]], ["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."]]]
supporting_facts: [["Prince Robert, Duke of Chartres", 0], ["Ferdinand Philippe, Duke of Orl\u00e9ans", 0]]
evidences: [["Prince Robert, Duke of Chartres", "father", "Prince Ferdinand Philippe, Duke of Orl\u00e9ans"], ["Prince Ferdinand Philippe of Orl\u00e9ans", "mother", "Maria Amalia of Naples and Sicily"]]
answer: Maria Amalia of Naples and Sicily