Philippa of Luxembourg
Philippa of Luxembourg( 1252 – 6 April 1311) was the daughter of Count Henry V of Luxembourg and his wife, Marguerite of Bar.
She married John II, Count of Holland.
Two of her granddaughters were Philippa of Hainault, Queen consort of England, and Margaret II, Countess of Hainault in her own right and wife of Holy Roman Emperor Louis IV.
The children of John II of Holland and Philippa of Luxembourg included:
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.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Prithvipati Shah
Prithvipati Shah( ?–1716) was the king of the Gorkha Kingdom in the Indian subcontinent, present- day Nepal.
He was the grandfather of Nara Bhupal Shah.
John Falconet
John Falconet,( 1350–1400s) was an English nobleman, member of the Court of Philippa of Lancaster.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Henry IV of England
Henry IV (15 April 1367 – 20 March 1413), also known as Henry Bolingbroke , was King of England from 1399 to 1413.
He asserted the claim of his grandfather King Edward III, a maternal grandson of Philip IV of France, to the Kingdom of France.
Henry was the son of John of Gaunt (the fourth son of Edward III) and Blanche of Lancaster.
John enjoyed a position of considerable influence during much of the reign of his nephew King Richard II, whom Henry eventually deposed.
Henry founded the Lancaster branch of the House of Plantagenet.
He was the first King of England since the Norman Conquest whose mother tongue was English rather than French.
Joanna of Hainaut
Joanna of Hainault( 1315–1374) was a Duchess of Jülich by marriage to William V, Duke of Jülich.
She was the third daughter of William I, Count of Hainaut, and Joanna of Valois.
She was a younger sister of Philippa of Hainault, Queen of England, and Margaret II of Hainault.
Philippa of England
Philippa of England (4 June 1394 – 5 January 1430), also known as Philippa of Lancaster, was Queen of Denmark, Sweden, and Norway from 1406 to 1430 by marriage to Eric of Pomerania.
She was the daughter of King Henry IV of England by his first spouse Mary de Bohun and the younger sister of King Henry V. Queen Philippa participated significantly in state affairs during the reign of her spouse, and served as regent of Denmark from 1423 to 1425.

Question: Who is the paternal grandfather of Philippa Of England?
Answer: John of Gaunt