Dafydd ap Gruffydd
Dafydd ap Gruffydd( or Dafydd ap Gruffudd, angl. David, son of Gruffydd)( 11 July 1238 – 3 October 1283) was Prince of Wales from 11 December 1282 until his execution on 3 October 1283 by King Edward I of England.
He was the last independent ruler of Wales.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
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.
Anne Neville
Anne Neville (11 June 1456 – 16 March 1485) was an English queen, the younger of the two daughters and co-heiresses of Richard Neville, 16th Earl of Warwick (the "Kingmaker").
She became Princess of Wales as the wife of Edward of Westminster (only son and heir apparent of King Henry VI) and then Queen of England as the wife of King Richard III.
As a member of the powerful House of Neville, she played a critical part in the Wars of the Roses fought between the House of York and House of Lancaster for the English crown.
Her father Warwick betrothed her as a girl to Edward, Prince of Wales, the son of Henry VI.
The marriage was to seal an alliance to the House of Lancaster and halt the civil war between the two houses of Lancaster and York.
After the death of Prince Edward, she married Richard, Duke of Gloucester, younger brother of King Edward IV and of George, Duke of Clarence, the husband of Anne's elder sister Isabel Neville.
Anne became queen when Richard III ascended the throne in June 1483, following the declaration that Edward IV's children by Elizabeth Woodville were illegitimate.
Anne Neville predeceased her husband by five months, dying in March 1485.
Her only child was Edward of Middleham, who predeceased her.
Edward of Middleham, Prince of Wales
Edward of Middleham, Prince of Wales, Earl of Chester, Duke of Cornwall, 1st Earl of Salisbury (December 14739 April 1484), was the son and heir apparent of King Richard III of England by his wife Anne Neville.
He was Richard's only legitimate child and died aged ten.
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.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
John Argentine
John Argentine( died 1507) was an English physician who attended Edward V of England and later Arthur, Prince of Wales, and was Provost of King's College, Cambridge.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).

Question: Who is the maternal grandfather of Edward Of Middleham, Prince Of Wales?
Answer: Richard Neville