Charles III, Count of Alençon
Charles III of Alençon( 1337 – 5 July 1375, Lyon) was the eldest son of Charles II of Alençon and Maria de la Cerda.
He succeeded his father as Count of Alençon in 1346, but resigned the county to his brother Peter II of Alençon 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.
Joan of Valois, Duchess of Alençon
Joan of Valois( 13 September 1409, in Blois – 19 May 1432, in Angers) was the only surviving child of Charles, Duke of Orléans, and Isabella of Valois.
She held the title Duchess of Alençon when married to John II of Alençon.
Charles II, Count of Hohenzollern-Sigmaringen
Charles II, Count of Hohenzollern-Sigmaringen "(German: Karl II, Graf von Hohenzollern-Sigmaringen)" (1547 – 8 April 1606) became Count of Hohenzollern-Sigmaringen in 1576 and remained so until his death.
He was the fifth but second surviving son of Charles I, Count of Hohenzollern and Anna, daughter of Ernest, Margrave of Baden-Durlach.
René, Duke of Alençon
René of Alençon( 1454 – 1 November 1492, Chateau d' Alençon, age 37– 38), was the son of John II of Alençon and Marie of Armagnac.
Robert of Alençon
Robert of Alençon( 1344 – 1377) was the son of Charles II of Alençon and Maria de La Cerda y Lara.
He succeeded his father in 1346 as Count of Perche.
On 5 April 1374 he married Jeanne( d. aft. 20 January 1407), the daughter of John I, Viscount of Rohan.
They had one son, Charles( 1375 – 1377), who did not survive his father.
Charles II, Count of Alençon
Charles II of Alençon, called the Magnanimous (1297 – 26 August 1346)
was the second son of Charles of Valois and his first wife Margaret, Countess of Anjou, and brother of Philip VI of France.
He was Count of Alençon and Count of Perche (1325–1346), as well as Count of Chartres and Count of Joigny (1335–1336).
In April 1314 he married Jeanne of Joigny, who succeeded her father John II as Countess of Joigny in 1335, but died on 2 September 1336.
They had no children.
He showed a marked, if foolhardy courage from the time of his first taking up arms (1324, in Aquitaine), and took part in the Battle of Cassel (1328).
In December 1336, he married Maria de La Cerda y Lara (1310 – 19 November 1379, Paris), the daughter of Fernando de la Cerda, Lord of Lara.
They had five children:
Peter II, Count of Alençon
Peter II of Alençon, called the Noble( 1340 – 20 September 1404, Argentan), was the son of Charles II of Alençon and Maria de la Cerda.
He was Count of Alençon from 1361 until his death in 1404 and Count of Perche from 1377 until his death in 1404.
Knighted in 1350, he was one of the hostages exchanged for King John after the Battle of Poitiers, and did not return to France until 1370.
He and his brother Robert campaigned against the English in Aquitaine, taking Limoges, but failed to capture Usson( 1371).
On 10 October 1371, he married Marie Chamaillart, Viscountess of Beaumont- au- Maine( d. Argentan 18 November 1425).
They had eight children:
He subsequently fought under Guesclin in Brittany and was wounded before Hennebont, and took part in an expedition against William I of Guelders in 1388.
He also had one illegitimate son:
John I, Count of Alençon
John I (Jean I) (died 24 February 1191), Count of Alençon, son of William III Talvas, Count of Ponthieu, and Helie of Burgundy.
Recognized as Count of Alençon by Philip II, John succeeded his father in 1171, after being associated with the crown since the return of the crusaders in 1149.
He was a supporter of the Perseigne Abbey and the Abbey of Saint- Martin of Troarn.
He married Beatrix of Maine, daughter of Elias II, Count of Maine, and Philippe, Countess of Perche.
John and Beatrix had six children:
Near the end of his life, he planned to participate in the King’s Crusade (the Third Crusade), but died February 24, 1191, at the Chateau d'Alençon.
He was succeeded as Count of Alençon by his son John.
John I, Duke of Alençon
John I of Alençon, called the Sage( 1385 – 25 October 1415), was a French nobleman, killed at the Battle of Agincourt.
John was born in Château d' Essay, the son of Peter II of Alençon and Marie de Chamaillard.
In 1404, he succeeded his father as Count of Alençon and Perche.
He was made Duke of Alençon 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.
Charles, Count of Valois
Charles of Valois (12 March 1270 – 16 December 1325), the third son of Philip III of France and Isabella of Aragon, was a member of the House of Capet and founder of the House of Valois, whose rule over France would start in 1328.
Charles ruled several principalities.
He held in appanage the counties of Valois, Alençon and Perche.
Through his marriage to Margaret of Anjou, he became Count of Anjou and Maine.
Through his marriage to Catherine I, titular empress of the Latin Empire, he was titular Latin Emperor of Constantinople from 1301–1307, although he ruled from exile and only had authority over Crusader States in Greece.
The grandson of Louis IX of France, Charles of Valois was a son, brother, brother-in-law and son-in-law of kings or queens (of France, Navarre, England and Naples).
His descendants, the House of Valois, would become the royal house of France three years after his death, beginning with his son Philip VI of France.

Question: Who is the paternal grandfather of Charles Ii, Count Of Alençon?
Answer: Philip III of France