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.
Chung Mong-koo
Chung Mong-koo (born March 19, 1938, in Gangwon Province) is a South Korean business magnate who is the chairman and CEO of Hyundai Motor Group.
The Hyundai Motor Group consists of 42 subsidiaries and is the second largest Chaebol in South Korea.
Chung succeeded his father, Chung Ju-yung, the founder of the conglomerate known as the Hyundai Group.
When the conglomerate split into several parts in 1999, Chung Mong-koo took over the Hyundai Motor division.
He is the eldest surviving son of Chung Ju-yung's eight sons.
He was convicted of embezzlement and breach of fiduciary duty in February 2007, but was given a suspended sentence and was fully pardoned by President Lee Myung-bak.
As of March 2014, his net worth was $6.8 billion according to "Forbes".
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
Chung Eui-yong
Chung Eui- yong( born 1946) is a South Korean diplomat and politician, serving as the Director of the, which resembles that of National Security Advisor( United States).
Chung Eui-sun
Chung Eui-sun (born 18 October 1970), also spelled Chung Eui-son, is a South Korean billionaire businessman.
He is the executive vice chairman of Hyundai Motor Company and the only son and "heir apparent" of Hyundai Motor Group chairman Chung Mong-koo.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
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.
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.
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 Chung Eui-Sun's paternal grandfather?