Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
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.
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.
Bhanurangsi Savangwongse
Bhanurangsi Savangwongse, the Prince Bhanubandhu Vongsevoradej (11 January 1859 – 13 June 1928)  was a son of HM King Mongkut of Siam and HM Queen Debsirindra.
Although the Prince held a number of posts in the government of his elder brother, King Chulalongkorn, including the post of Commander-in-Chief of the Royal Siamese Army, he is best remembered as the founder of the Thai postal service.
He was the best known as founder of the Thai postal service.
and the first Field marshal in Royal Siamese Army during King Vajiravudh.
His most famous son is the Formula One racer, Prince Birabongse Bhanutej Bhanubandh, better known as Prince Bira.
Dibyasambandh
Princess Dibyasambanna (Née Her Serene Highness Princess (Mom Chao)
Dibyasambanna Bhanubandh
; ; 17 May 1885 - 26 July 1908) was a Princess of Siam (later Thailand).
She was a member of Siamese royal family, specifically the Bhanubandh family, as a daughter of Prince Bhanurangsi Savangwongse and Mom Liam.
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
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.

Question: Who is the paternal grandfather of Dibyasambandh?
Answer: Mongkut