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.
Louis d'Albret
Louis d'Albret (1422–1465) was a French Cardinal.
He was a son of Charles II of Albret, Count of Dreux.
He was bishop of Aire in 1445, bishop of Cahors in 1460.
He was created Cardinal in 1461.
In 1465 he was Bishop of Tarbes and Camerlengo of the Sacred College of Cardinals.
When he died in 1461, Cardinal d'Albret was buried at Santa Maria in Aracoeli in Rome on a tomb by Andrea Bregno.
He was the uncle of Cardinal Amanieu d'Albret.
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.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
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.
Charles II of Albret
Charles II d'Albret (1407–1471) was a French magnate, administrator, and soldier.
He was the son of Charles I of Albret and Marie de Sully.
His father died in 1415 at the Battle of Agincourt, leaving the younger Charles as lord of Albret and titular Count of Dreux, titular count since after Agincourt the lands of the county of Dreux were in English hands.
As a member of the Armagnac faction, Charles was a supporter of the Dauphin Charles, future Charles VII of France.
His links to the Armagnacs were strengthened by his marriage in 1417 to Anne of Armagnac, daughter of Bernard VII, Count of Armagnac, from whom the faction took its name, and Bonne de Berry.
Charles served on the royal council of Dauphin Charles and in 1427 joined with Richemont and Yolande of Aragon in removing the Dauphin's unpopular favourite Pierre de Giac.
De Giac was soon afterwards executed by drowning.
He took part in the campaigns of Joan of Arc, and was named lieutenant of the province of Berry.
He was confirmed in possession of the county of Dreux in 1441 by King Charles VII.
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
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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.

Question: Who is the paternal grandfather of Louis D'Albret?
Answer: Charles I of Albret