Princess Anne of Orléans
Princess Anne of Orléans(" Anne Hélène Marie"; 5 August 1906, Le Nouvion- en- Thiérache, Aisne – 19 March 1986, Sorrento) was a member of the House of Orléans and the Duchess of Aosta by marriage.
She was the daughter of Prince Jean, Duke of Guise and Princess Isabelle of Orléans.
Princess Françoise of Orléans (1844–1925)
Françoise of Orléans (Françoise Marie Amélie; 14 August 1844 – 28 October 1925) was a member of the House of Orléans and by marriage Duchess of Chartres.
Philip, Count of Vertus
Philip of Orléans, Count of Vertus( 21/24 July 1396 – 1 September 1420), was the second son of Louis I, Duke of Orléans, and Valentina Visconti, and a grandson of Charles V of France.
His older brother was the noted poet Charles, Duke of Orléans and his younger brother was John, Count of Angoulême.
Blanche of France, Infanta of Castile
Blanche of France( French:" Blanche de France")( 1253–1323) was a daughter of King Louis IX of France and Margaret of Provence, and sister of King Philip III of France and Queen Isabella of Navarre.
Louise Henriette de Bourbon
Louise Henriette de Bourbon( 20 June 1726 – 9 February 1759)," Mademoiselle de Conti" at birth, was a French princess, who, by marriage, became Duchess of Chartres( 1743 – 1752), then Duchess of Orléans( 1752 – 1759) upon the death of her father- in- law.
On 4 February 1752, her husband became the head of the House of Orléans, and the First Prince of the Blood(" Premier prince du sang"), the most important personage after the immediate members of the royal family.
The new Duke of Orléans and his wife were then addressed as" Monsieur le Prince" and" Madame la Princesse".
Louise Henriette de Bourbon, Duchess of Orléans, was a grandmother of the French monarch Louis- Philippe King of the French," the Citizen King".
Her descendants include the present- day pretenders to the throne of France and Italy and the kings of Spain and Belgium.
Philip, Duke of Orléans
Philip of Orléans( 1 July 1336 at Vincennes – 1 September 1375 at Orléans) was a Duke of Orléans, Touraine, and Count of Valois, the fifth son of King Philip VI of France and his wife Joan the Lame.
His father named him Duke of Orléans, a newly created duchy, in 1344.
Jeanne d'Évreux
Jeanne d'Évreux (1310 – 4 March 1371) was Queen of France and Navarre as the third wife of King Charles IV of France.
She was the daughter of his uncle Louis, Count of Évreux and Margaret of Artois.
Their lack of sons caused the end of the direct line of the Capetian dynasty.
Because she was his first cousin, the couple required papal permission to marry from Pope John XXII.
They had three daughters, Jeanne, Marie and Blanche.
Jeanne died on 4 March 1371 in her château at Brie-Comte-Robert, in the Île-de-France region, some twenty miles southeast of Paris.
She was buried at the Basilica of St Denis, the necropolis of the Kings of France.
Two of Jeanne's remarkable possessions survive:
her book of hours and a statue of the Virgin and Child.
The "Book of Hours", known as the " Hours of Jeanne d'Evreux," is in The Cloisters collection of the Metropolitan Museum of Art in New York.
It was commissioned from the artist Jean Pucelle between 1324 and 1328, probably as a gift from her husband.
The book contains the usual prayers of the canonical hours as arranged for the laity along with the notable inclusion of the office dedicated to St Louis, her great-grandfather.
The small statue of the Virgin and Child (gilded silver and enamel, 69 cm high), which Jeanne left to the monastery of St Denis outside Paris, is in the Louvre Museum.
Blanche of France, Duchess of Orléans
Blanche of France (1 April 1328 – 8 February 1393) was the posthumous daughter of King Charles IV of France and his third wife, Jeanne d'Évreux.
She holds the distinction of being the last direct Capetian; she was the last-surviving member of her family, and her marriage to her cousin
Philippe d'Orléans proved childless.
With Blanche's death in 1393, the House of Capet continued to exist only via its numerous cadet branches.
Blanche of France, Duchess of Austria
Blanche of France( – 1 March 1305), a member of the House of Capet, was Duchess of Austria and Styria as consort to the Habsburg duke Rudolph III, eldest son of King Albert I of Germany.
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.

Question: Who is Blanche Of France, Duchess Of Orléans's maternal grandfather?
Answer: Louis, Count of Évreux