Farkas Esterházy
Baron Farkas Esterházy de Galántha (1614 – 2 September 1670) was a Hungarian noble from the House of Esterházy, son of royal councillor Baron Gábor Esterházy and his first wife, Anna Ujfalussy de Divékujfalu.
Farkas served as Chief Justice  of Hungary between 1 June 1667 and 2 September 1670.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Henry Bryant (naturalist)
Henry Bryant( May 12, 1820 – February 2, 1867) was an American physician and naturalist.
He was the grandfather of Henry Bryant Bigelow.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Gábor Esterházy (1580–1626)
Baron Gábor Esterházy de Galántha (8 October 1580 – 28 December 1626) was a Hungarian noble, son of Vice-ispán (Viscount; "vicecomes") of Pozsony County Ferenc Esterházy.
His brother was, among others, Nikolaus, Count Esterházy who served as Palatine of Hungary.
Gábor was created Baron in 1613.
He was a supporter of Gabriel Bethlen.
Fujiwara no Nagara
, also known as Fujiwara no Nagayoshi, was a Japanese statesman, courtier and politician of the early Heian period.
He was the grandfather of Emperor Yōzei.
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.

Question: Who is Farkas Esterházy's paternal grandfather?
Answer: Ferenc Esterházy