Yazkur-el
Yazkur-el  had been the twenty-fourth Assyrian monarch of the Early Period of "AššūrāyuAssyria")
according to the "Assyrian King List" (AKL).
Yazkur-el is listed within a section of the AKL as the eighth out of the ten, kings whose fathers are known This section (which in contrast to the rest of the list) had been written in reverse order—beginning with "Aminu" and ending with "Apiashalaltogether ten kings who are ancestors"”—and has often been interpreted as the list of ancestors of the Amorite "Šamši-Adad Ifl.c."
1809 BCE) who had conquered the city-state of "Aššur".
The AKL also states that "Yazkur-el" had been both the son and successor of "Yakmeni".
Additionally, the AKL states that "Yazkur-el" had been both the predecessor and father of "Ila-kabkabu".
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.
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 Mackay (poet)
John Mackay( 1656–1754), known as( The Blind Piper), was a Scottish Gaelic poet and composer, and the grandfather of William Ross.
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
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).
Yakmeni
Yakmeni  had been the twenty-third Assyrian monarch of the Early Period of "AššūrāyuAssyria")
according to the "Assyrian King List" (AKL).
Yakmeni is listed within a section of the AKL as the seventh out of the ten, kings whose fathers are known This section (which in contrast to the rest of the list) had been written in reverse order—beginning with "Aminu" and ending with "Apiashalaltogether ten kings who are ancestors"”—and has often been interpreted as the list of ancestors of the Amorite "Šamši-Adad Ifl.c."
1809 BCE) who had conquered the city-state of "Aššur".
The AKL also states that "Yakmeni" had been both the son and successor of "Yakmesi".
Additionally, the AKL states that "Yakmeni" had been both the predecessor and father of "Yazkur-el".
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.

Question: Who is Yazkur-El's paternal grandfather?