Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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.
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
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
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 Mackay (poet)
John Mackay( 1656–1754), known as( The Blind Piper), was a Scottish Gaelic poet and composer, and the grandfather of William Ross.
Saifuddin Hamza Shah
Saifuddin Hamza Shah (1410–12 CE) was the fourth Sultan of the first Ilyas dynasty of Bengal.
After the death of his father, Ghiyasuddin Azam Shah, he succeeded the throne and assumed the title "Sultan-us-Salatin".
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Shihabuddin Bayazid Shah
Shihabuddin Bayazid Shah (reigned 1413–1414) was an Ilyas dynasty Sultan of Bengal for a brief period.
He succeeded his father Saifuddin Hamza Shah.
Shihab-ud-Din Bayazid Shah continued the friendly relation with China like his predecessors and once sent a giraffe to the Chinese emperor with a letter written on a golden leaf.
He issued coins from AH 814 to AH 817.
The numismatic evidence shows that he was succeeded by his son Alauddin Firuz Shah, who issued coins in AH 817.
According to Firishta, Raja Ganesha usurped the throne after the death of Shihab-ud-Din Bayazid Shah, while according to the "Riaz-us-Salatin", a late chronicle written in 1788, Raja Ganesha killed Shihabuddin Bayazid Shah and usurped the throne.
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.

Question: Who is the paternal grandfather of Shihabuddin Bayazid Shah?
Answer: Ghiyasuddin Azam Shah