Kaya Alp
Kaya Alp was, according to Ottoman tradition, the son of Kızıl Buğa and the father of Suleyman Shah, who was, in turn, the grandfather of Ertuğrul, and the great grandfather of the Ottoman Empire founder, Osman I.
Margaret of France, Duchess of Brabant
Margaret of France( 1254–1271) was a daughter of Louis IX of France and his wife Margaret of Provence.
She was a member of the House of Capet and was Duchess of Brabant by her marriage to John I, Duke of Brabant.
Isabella of Savoy
Isabella of Savoy (11 March 1591 – 28 August 1626) was a daughter of Charles Emmanuel I, Duke of Savoy, and Catherine Michelle of Spain.
Her maternal grandparents were Philip II of Spain and Elisabeth of Valois, her paternal grandparents were Emmanuel Philibert, Duke of Savoy and Margaret of France, Duchess of Berry.
She was the Hereditary Princess of Modena, dying before her husband succeeded to the Duchy of Modena in 1628.
Bonne of Berry
Bonne of Berry( 1362/1365 – 30 December 1435) was the daughter of John, Duke of Berry, and Joanna of Armagnac.
Through her father, she was a granddaughter of John II of France.
Francis I of France
Francis I (12 September 1494 – 31 March 1547) was King of France from 1515 until his death in 1547.
He was the son of Charles, Count of Angoulême, and Louise of Savoy.
He succeeded his cousin and father-in-law Louis XII, who died without a son.
A prodigious patron of the arts, he initiated the French Renaissance by attracting many Italian artists to work on the Château de Chambord, including Leonardo da Vinci, who brought the "Mona Lisa" with him, which Francis had acquired.
Francis' reign saw important cultural changes with the rise of absolute monarchy in France, the spread of humanism and Protestantism, and the beginning of French exploration of the New World.
Jacques Cartier and others claimed lands in the Americas for France and paved the way for the expansion of the first French colonial empire.
For his role in the development and promotion of a standardized French language, he became known as "le Père et Restaurateur des Lettres" (the "Father and Restorer of Letters").
He was also known as "François du Grand NezFrancis of the Large Nose"), the "Grand Colas", and the "Roi-Chevalier" (the "Knight-King") for his personal involvement in the wars against his great rival Emperor Charles V, who was also King of Spain.
Following the policy of his predecessors, Francis continued the Italian Wars.
The succession of Charles V to the Burgundian Netherlands, the throne of Spain, and his subsequent election as Holy Roman Emperor meant that France was geographically encircled by the Habsburg monarchy.
In his struggle against Imperial hegemony, he sought the support of Henry VIII of England at the Field of the Cloth of Gold.
When this was unsuccessful, he formed a Franco-Ottoman alliance with the Muslim sultan Suleiman the Magnificent, a controversial move for a Christian king at the time.
Margaret of France, Duchess of Berry
Margaret of France, Duchess of Berry (French: "Marguerite de Valois")
(5 June 1523 – 15 September 1574) was the daughter of King Francis I of France and Claude, Duchess of Brittany.
Marie Louise Élisabeth d'Orléans
Marie Louise Élisabeth d' Orléans, Duchess of Berry( 20 August 1695 in Palace of Versailles – 21 July 1719 in Paris), known affectionally with the moniker Joufflotte, was a member of the House of Orléans who married Charles, Duke of Berry.
Charles, Duke of Berry (1686–1714)
Charles of France, Duke of Berry,( 31 July 1686 – 5 May 1714) was a grandson of Louis XIV of France.
Although he was only a grandson of Louis XIV, Berry held the rank of" fils de Franceson of France"), rather than" petit- fils de Francegrandson of France"), as the son of the Dauphin, heir apparent to the throne.
The Duke of Berry was for seven years heir presumptive to the throne of Spain( 1700 – 1707), till his brother Philip V fathered a son in 1707.
Margaret of Nevers
Margaret of Nevers( December 1393 – February 1442), also known as Margaret of Burgundy, was Dauphine of France and Duchess of Guyenne as the daughter- in- law of King Charles VI of France.
A pawn in the dynastic struggles between her family and in- laws during the Hundred Years' War, Margaret was twice envisaged to become Queen of France.
Margaret of Thuringia
Margaret of Thuringia or Margaret of Saxony( 1449 – 13 July 1501) was a German noblewoman, Electress of Brandenburg by marriage.
She was the daughter of William III, Landgrave of Thuringia and Anne of Austria, Duchess of Luxembourg" suo jure".

Question: Who is Margaret Of France, Duchess Of Berry's paternal grandfather?