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).
Fujiwara no Nagara
, also known as Fujiwara no Nagayoshi, was a Japanese statesman, courtier and politician of the early Heian period.
He was the grandfather of Emperor Yōzei.
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.
Richard Kassebaum
Richard Kassebaum (November 15, 1960 – August 27, 2008) was an American documentary filmmaker.
He is best remembered for producing television documentaries, including the 2002 award-winning Limited Series "Woodrow Wilson and the Birth of the American Century".
Born in Wichita, Kansas, Kassebaum was the son of Republican Senator Nancy Landon Kassebaum.
Kassebaum graduated from Maize High School in Maize, Kansas.
He received his bachelor's degree in radio and television from Kansas State University and did graduated work in the film school at the University of Southern California.
He died from a brain tumor on August 27, 2008 in Knoxville, Tennessee, at the age of 47.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Theodorick Bland of Westover
Theodorick Bland( January 16, 1629 – April 23, 1671), also known as Theodorick Bland of Westover, was a Virginia politician, merchant and planter.
He was the father of Richard Bland, the grandfather of Richard Bland II, the great- grandfather of Congressman Theodorick Bland, and the great- great- grandfather of John Randolph of Roanoke.
Born in London, he served as his family's business agent in Spain and the Canary Islands in his early twenties.
He moved to the colony of Virginia in 1653, to replace his brother Edward, who had died.
He represented Charles City County in the 1660 House of Burgesses session, serving as Speaker.
In this role, he presided over the House during the transition from the Cromwell Protectorate to the restored government of Charles II.
He served on the Governor's Council 1664 – 71.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Prithvipati Shah
Prithvipati Shah( ?–1716) was the king of the Gorkha Kingdom in the Indian subcontinent, present- day Nepal.
He was the grandfather of Nara Bhupal Shah.
Nancy Kassebaum
Nancy Landon Kassebaum Baker (née Landon; born July 29, 1932) is an American politician who represented the State of Kansas in the United States Senate from 1978 to 1997.
She is the daughter of Alf Landon, who was Governor of Kansas from 1933 to 1937 and the 1936 Republican nominee for president, and the widow of former Senator and diplomat Howard Baker.
She was the first woman ever elected to a full term in the Senate without her husband having previously served in Congress.

Question: Who is the maternal grandfather of Richard Kassebaum?
Answer: Alf Landon