question: Who is the maternal grandfather of Prince Ferdinand, Duke Of Alençon?
context: [["Fran\u00e7oise d'Alen\u00e7on", ["Fran\u00e7oise d'Alen\u00e7on (1490 \u2013 September 14, 1550) was the eldest daughter of Ren\u00e9 of Alen\u00e7on and Margaret of Lorraine, and the younger sister and despoiled heiress of Charles IV, Duke of Alen\u00e7on.", "The sister and heiress of Charles IV of Alen\u00e7on, she was despoiled of her heritage by her sister-in-law Marguerite of Angoul\u00eame, sister of King Francis I of France.", "Her son Antoine, however, went on to marry Jeanne III of Navarre, born of the second marriage of Marguerite with Henry II of Navarre.", "The grandson of Fran\u00e7oise and Marguerite, Henry de Bourbon, would become King of France and Navarre."]], ["Prince Ferdinand, Duke of Alen\u00e7on", ["Ferdinand Philippe Marie d'Orl\u00e9ans, duc d'Alen\u00e7on (12 July 1844 \u2013 29 June 1910) was the son of Louis Charles Philippe Raphael d'Orl\u00e9ans, Duke of Nemours and Princess Victoria of Saxe-Coburg and Gotha (a first cousin of Britain's Queen Victoria)."]], ["Marie of Brittany, Lady of La Guerche", ["Marie of Brittany (18 February 1391 \u2013 18 December 1446) was the Countess of Perche and Lady of La-Guerche from 1396 until 1414, and the Countess of Alen\u00e7on from 1404 until 1414.", "In 1414, Marie\u2019s titles became Duchess of Alen\u00e7on, Countess of Perche, Lady of La-Guerche, when Charles VI of France raised her husband John's county of Alen\u00e7on to a duchy.", "After the death of her husband in 1415, Marie retained the title of Lady of La-Guerche when her son, John II took the titles of Duke of Alen\u00e7on and Count of Perche.", "Marie was the link between the House of Montfort of the duchy of Brittany and the ducal House of Valois-Alen\u00e7on."]], ["John I, Duke of Alen\u00e7on", ["John I of Alen\u00e7on, called the Sage( 1385 \u2013 25 October 1415), was a French nobleman, killed at the Battle of Agincourt.", "John was born in Ch\u00e2teau d' Essay, the son of Peter II of Alen\u00e7on and Marie de Chamaillard.", "In 1404, he succeeded his father as Count of Alen\u00e7on and Perche.", "He was made Duke of Alen\u00e7on in 1414.", "He commanded the second division of the French army at the Battle of Agincourt.", "When the English broke through the first division, he led a countercharge.", "He is sometimes credited with killing Edward, Duke of York, wounding Humphrey, Duke of Gloucester, and cutting an ornament from the crown of Henry V of England; but he was then overpowered by the King's bodyguard, and slain by the Welsh nobleman Dafydd Gam before he could yield himself."]], ["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."]], ["Joan of Valois, Duchess of Alen\u00e7on", ["Joan of Valois( 13 September 1409, in Blois \u2013 19 May 1432, in Angers) was the only surviving child of Charles, Duke of Orl\u00e9ans, and Isabella of Valois.", "She held the title Duchess of Alen\u00e7on when married to John II of Alen\u00e7on."]], ["Princess Victoria of Saxe-Coburg and Gotha", ["Princess Victoria of Saxe-Coburg and Gotha", "(Victoria Franziska Antonia Juliane Luise; 14 February 1822 \u2013 10 November 1857) was the daughter of Prince Ferdinand of Saxe-Coburg and Gotha and Princess Maria Antonia Koh\u00e1ry.", "Her father was the second son of Francis, Duke of Saxe-Coburg-Saalfeld and Countess Augusta Reuss of Ebersdorf."]], ["Fran\u00e7ois Joseph, Duke of Guise", ["Fran\u00e7ois Joseph de Lorraine( Paris, 28 August 1670 \u2013 16 March 1675, Paris), Duke of Guise, Duke of Alen\u00e7on and Duke of Angoul\u00eame, was the only son of Louis Joseph de Lorraine, Duke of Guise and \u00c9lisabeth Marguerite d' Orl\u00e9ans,\" suo jure\" duchess of Alen\u00e7on."]], ["Charles III, Count of Alen\u00e7on", ["Charles III of Alen\u00e7on( 1337 \u2013 5 July 1375, Lyon) was the eldest son of Charles II of Alen\u00e7on and Maria de la Cerda.", "He succeeded his father as Count of Alen\u00e7on in 1346, but resigned the county to his brother Peter II of Alen\u00e7on in 1361 to take up an ecclesiastical career.", "On 13 July 1365, he was made Archbishop of Lyon.", "As archbishop, he firmly resisted royal encroachment on his rights as Primate of France."]], ["Ren\u00e9, Duke of Alen\u00e7on", ["Ren\u00e9 of Alen\u00e7on( 1454 \u2013 1 November 1492, Chateau d' Alen\u00e7on, age 37\u2013 38), was the son of John II of Alen\u00e7on and Marie of Armagnac."]]]
supporting_facts: [["Prince Ferdinand, Duke of Alen\u00e7on", 0], ["Princess Victoria of Saxe-Coburg and Gotha", 1]]
evidences: [["Ferdinand Philippe Marie d'Orl\u00e9ans, duc d' Alen\u00e7on", "mother", "Princess Victoria of Saxe-Coburg and Gotha"], ["Princess Victoria of Saxe-Coburg and Gotha", "father", "Prince Ferdinand of Saxe-Coburg and Gotha"]]
answer: Prince Ferdinand of Saxe-Coburg and Gotha