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.
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.
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
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Taichang Emperor
The Taichang Emperor (28 August 1582 – 26 September 1620), personal name Zhu Changluo , was the 15th Emperor of the Ming dynasty.
He was the eldest son of the Wanli Emperor and succeeded his father as emperor in 1620.
However, his reign came to an abrupt end less than one month after his coronation when he was found dead one morning in the palace following a bout of diarrhea.
He was succeeded by his son, Zhu Youjiao, who was enthroned as the Tianqi Emperor.
His era name, Taichang, means "grand prosperity."
His reign was the shortest in Ming history.
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.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Chongzhen Emperor
The Chongzhen Emperor (6 February 1611 – 25 April 1644), personal name Zhu Youjian , was the 17th and last Emperor of the Ming dynasty as well as the last Han Chinese to reign as Emperor of China.
He reigned from 1627 to 1644.
"Chongzhen," the era name of his reign, means "honorable and auspicious".
Zhu Youjian was son of the Taichang Emperor and younger brother of the Tianqi Emperor, whom he succeeded to the throne in 1627.
He battled peasant rebellions and was not able to defend the northern frontier against the Manchu.
When rebels reached the capital Beijing in 1644, he committed suicide, ending the Ming dynasty.
The Manchu formed the succeeding Qing dynasty.
John Mackay (poet)
John Mackay( 1656–1754), known as( The Blind Piper), was a Scottish Gaelic poet and composer, and the grandfather of William Ross.

Question: Who is Chongzhen Emperor's paternal grandfather?
Answer: Wanli Emperor