Henry Wentworth
Sir Henry Wentworth of Nettlestead, Suffolk, KB( born c. 1448 – died between 17 August 1499 and 27 February 1501)," de jure" 4th Baron le Despencer, was the grandfather of Henry VIII's third wife, Jane Seymour, and the great- grandfather of Jane's son, Edward VI.
Charles Francis Adams Sr.
Charles Francis Adams Sr.
(August 18, 1807 – November 21, 1886) was an American historical editor, writer, politician, and diplomat.
He was a son of President John Quincy Adams and grandson of President John Adams, about whom he wrote a major biography.
Adams served two terms in the Massachusetts State Senate before running unsuccessfully as vice-presidential candidate for the Free Soil Party in the election of 1848 on a ticket with former president Martin Van Buren.
During the Civil War, Adams served as the United States Minister to the United Kingdom under Abraham Lincoln, where he played a key role in keeping the British government neutral and not diplomatically recognizing the Confederacy.
Adams became an overseer of Harvard University and built Adams National Historical Park, a library in Quincy, Massachusetts honoring his father.
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.
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.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Henry Adams
Henry Brooks Adams (February 16, 1838 – March 27, 1918) was an American historian and member of the Adams political family, descended from two U.S. Presidents.
As a young Harvard graduate, he was secretary to his father, Charles Francis Adams, Abraham Lincoln's ambassador to the United Kingdom.
The posting influenced the younger man through the experience of wartime diplomacy, and absorption in English culture, especially the works of John Stuart Mill.
After the American Civil War, he became a political journalist who entertained America's foremost intellectuals at his homes in Washington and Boston.
During his lifetime, he was best known for his "History of the United States During the Administrations of Thomas Jefferson and James Madison", a nine-volume work, praised for its literary style.
His posthumously published memoir, "The Education of Henry Adams", won the Pulitzer Prize and went on to be named by the Modern Library as the best English-language nonfiction book of the 20th century.
Henry Bryant (naturalist)
Henry Bryant( May 12, 1820 – February 2, 1867) was an American physician and naturalist.
He was the grandfather of Henry Bryant Bigelow.
Henry Adams (Wisconsin politician)
Henry Adams was a member of the Wisconsin State Assembly and the Wisconsin State Senate.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.

Question: Who is Henry Adams's paternal grandfather?
Answer: John Quincy Adams