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
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.
Bimby Aquino Yap
James Aquino Yap (born April 19, 2007), better known as Bimby, and previously known as Baby James Yap, is a Filipino child actor, TV-media personality and the son of Kris Aquino and James Yap.
He made his film debut in "My Little Bossings" (2013).
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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).
William Madison
William Madison( May 5, 1762 – July 20, 1843) was an American general.
He served in the War of 1812 and American Revolutionary War. Son of James Madison Sr. and Eleanor Rose Conway, he was the younger brother of James Madison, fourth President of the United States.
Madison married Frances Throckmorton and had eleven children.
He was the grandfather of Confederate Brigadier- General James E. Slaughter.
Kris Aquino
Kristina Bernadette Cojuangco Aquino (born February 14, 1971) is a Filipino television host, actress, producer, product endorser and businesswoman.
Dubbed as Philippine's Queen of all Media, Aquino has hosted numerous talk shows and game shows, starred in several films and television series, and currently making waves in the social media platform.
She is the youngest daughter of the slain senator Benigno Aquino Jr. and the late Corazon Aquino, who served as the 11th President of the Philippines.
Her brother Benigno S. Aquino III served as the 15th President of the Philippines.
Her debut film appearance was in  and was also known for her roles in horror films
"Feng Shui" and "Sukob", which was the highest-grossing Filipino film of 2006.
She is also widely known as a top celebrity product endorser and a philanthropist who advocates for lupus awareness, children's rights, LGBT rights, culture and art appreciation, freedom of expression, and democratic reforms.
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.

Question: Who is Bimby Aquino Yap's maternal grandfather?