Philip of Artois, Count of Eu
Philip of Artois (1358 – 16 June 1397, Micalizo), son of John of Artois, Count of Eu, and Isabeau of Melun, was Count of Eu from 1387 until his death, succeeding his brother Robert.
Philip was a gallant and energetic soldier.
In 1383, he captured the town of Bourbourg from the English.
He went on a pilgrimage to the Holy Land, and was imprisoned there by Barquq, the Sultan of Egypt, being released through the mediation of Jean Boucicaut and the Venetians.
In 1390, he joined the unsuccessful expedition of Louis II, Duke of Bourbon, against Mahdia.
In 1392, he was created Constable of France.
On 27 January 1393 he married Marie (1367–1434), daughter of John, Duke of Berry.
They had four children:
As a prominent Crusader, he was one of the French contingent sent to take part in the Battle of Nicopolis.
He was captured in the battle, and subsequently died in captivity.
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.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Louis, Count of Évreux
Louis of Évreux( 3 May 1276 – 19 May 1319, Paris) was a prince, the only son of King Philip III of France and his second wife Maria of Brabant, and thus a half- brother of King Philip IV of France.
Louis had a quiet and reflective personality and was politically opposed to the scheming of his half- brother Charles of Valois.
He was, however, close with his nephew Philip V of France.
He married Margaret of Artois, daughter of Philip of Artois and sister of Robert III of Artois, and had five children:
Joan of Valois, Countess of Beaumont
Joan of Valois (1304–1363) was the daughter of Charles of Valois and his second wife Catherine I of Courtenay, titular empress of Constantinople.
Half sister to Philip VI of Valois, in around 1320 she married Robert III of Artois, Count of Beaumont-le-Roger and seigneur of Conches.
They had five known children:
Robert III of Artois had attempted to recover the title of count of Artois, which had been taken from him by his aunt Mahaut of Artois, but was condemned and exiled in 1331 for making and presenting forged documents in the process of filing against her.
Joan of Valois and their children were therefore imprisoned by order of her half-brother Philip VI.
Thierry Larchier d'Hirson
Thierry Larchier d' Hirson or d' Hireçon, or de Hérisson,( 1270 in Bourbonnais – 23 August 1328) was a French cleric under Robert II, Count of Artois.
Hirson was employed by Philip IV of France on several occasions.
He became a canon of Arras in 1299; chancellor of Mahaut, Countess of Artois in 1303; provost of Aire- sur- la- Lys in 1309; and was appointed Bishop of Arras in April 1328.
He died on 23 August 1328.
Hirson was involved with Jeanne de Divion, who, in revenge for what she did not inherit upon the bishop's death, procured false documents for Robert III of Artois so that he could recover the County of Artois, which had been bestowed upon his great aunt Mahaut, Countess of Artois, in a legal dispute.
Margaret of Artois
Margaret of Artois( 1285–1311) was the eldest child of Philip of Artois and his wife, Blanche of Brittany.
She was a member of the House of Artois.
She was married to Louis d'Évreux.
By her marriage, Margaret was Countess consort of Évreux.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Charles of Artois, Count of Eu
Charles of Artois (1394 – 25 July 1472), son of Philip of Artois, Count of Eu and Marie of Berry, was Count of Eu from December 1397 until his death 74 years later.
He was taken prisoner by the English at the Battle of Agincourt on 25 October 1415, and was not released until 1438.
In 1448, he married Jeanne of Saveuse (died 1449) and on 23 September 1454, Helene of Melun (d. 1473), but he had no children.
He was appointed Lieutenant of the King in Normandy and Guyenne, as well as Governor of Paris, during the War of the Public Weal in 1465.
He was succeeded by his nephew John II, Count of Nevers.

Question: Who is the paternal grandfather of Charles Of Artois, Count Of Eu?
Answer: John of Artois, Count of Eu