Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
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.
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.
Justine Lacoste-Beaubien
Justine Lacoste-Beaubien (October 1, 1877 – January 17, 1967) was one of the founders of the children's hospital Sainte-Justine Hospital.
Born in Montreal, the daughter of Alexandre Lacoste and Marie-Louise Globensky, she married Louis de Gaspé-Beaubien, son of Hon.
Louis Beaubien, in 1899.
Her maternal great-grandfather was born in Berlin to a family of Polish origin.
In 1934 Lacoste-Beaubien was made an Officer of the Order of the British Empire "for services for sick and crippled children; in founding and extending the St. Justine Hospital".
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).
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.
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.
Alexandre Lacoste
Sir Alexandre Lacoste, (January 13, 1842 – August 17, 1923) was a Canadian lawyer, professor, and politician.
He was born in Boucherville, Canada East (now Quebec) in 1842, the son of Louis Lacoste.
From 1880 to 1923, he was a professor of law at the Université de Montréal.
In 1882, he was appointed to the Legislative Council of Quebec.
In 1884, he was called to the Senate of Canada representing the senatorial division of De Lorimier, Quebec.
A Conservative, in April 1891, he was appointed Speaker of the Senate and served until he resigned from the Senate in September 1891 when he was appointed Chief Justice of the Court of Queen's Bench of Quebec.
He retired in 1907.
In 1892 he was made a Knight Bachelor.
He died in Montreal in 1923.

Question: Who is Justine Lacoste-Beaubien's paternal grandfather?
Answer: Louis Lacoste