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.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
James M. Garnett
James Mercer Garnett( June 8, 1770 – April 23, 1843) was a nineteenth- century politician and planter from Virginia.
He was the brother of Robert S. Garnett, the first cousin of Charles F. Mercer, and the grandfather of Muscoe Russell Hunter Garnett.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Robert fitzRoger (died 1310)
Robert fitzRoger (1247–1310), Lord of Warkworth, Clavering and Eure, was an English baron.
He was a son of Roger FitzJohn and Isabel de Dunbar.
FitzRoger fought in the wars in Wales, Gascony and Scotland.
Roger FitzJohn
Roger FitzJohn (died 1248/1249) was an English feudal baron, Lord of Clavering, Warkworth and Horsford.
He was the son of John FitzRobert and Ada de Baillol.
John FitzRobert
John FitzRobert( ca. 1190–1240)( de Clavering) is listed as one of the Surety Barons in Magna Carta( 1215) where he is described as Lord of Warkworth Castle.
He was the son of Robert fitzRoger and Margaret Chesney.
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.
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 paternal grandfather of Robert Fitzroger (Died 1310)?
Answer: John FitzRobert