Zhao Shoushan
Zhao Shoushan( 12 November 1894 – 20 June 1965) was a KMT general and later Chinese Communist Party politician.
He is the grandfather of Zhao Leji.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Jakub Kroner
Jakub Kroner (born 1987) is a Slovak filmmaker.
His second feature film, "Lóve" (2011), became the box office number-one Slovak-language film of the year in his home country, while ranked the third highest-grossing ever since the independent Slovakia.
As the youngest generation member of the Kroner acting family, he is the son of Janko Kroner and a grandson of Jozef himself.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
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.
Janko Kroner
Janko Kroner (born June 1, 1956) is a Slovak film, television and stage actor.
Once a regular cast of the Slovak National Theater (SND)
(1987–2009), Kroner began his acting career as part of the New Scene (1982–86).
In the mid 1990s, alongside staging for his home theater, he gradually began appearing in a local VA-based ensemble called a.ha.
In the most recent decade, he has been known as the frontman of the Malá scéna STU, a body supervised by Kroner through 2010-2011.
As a member of the Slovak acting "dynasty" that span three generations to date, Kroner himself has received numerous nominations in his native country, including two LitFond Awards for Performing Arts in Drama, as well two television-focused "OTO Awards" as TV Male Actor, respectively.
Amongst others, he is the only son of Ján Kroner, or rather a nephew of Jozef Kroner.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Jan Kovář
Jan Kovář( born 20 March 1990) is Czech professional ice hockey forward who is currently playing for EV Zug of the National League( NL).
He is the younger brother of Jakub Kovář.
Henry Krause
Henry J." Red" Krause, Jr.( August 28, 1913 – February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.
He played college football at St. Louis University.
He is the grandfather of Jennifer Krause
He is the great grandfather of Payton Hoeing
Fred Le Deux
Frederick" Fred" Le Deux( born 4 December 1934) was an Australian rules footballer who played with Geelong in the Victorian Football League( VFL).
He is the grandfather of Tom Hawkins.

Question: Who is Jakub Kroner's paternal grandfather?
Answer: Ján Kroner