Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Vyacheslav Yaroslavich
Vyacheslav Yaroslavich or Viacheslav Yaroslavich was the Prince of Smolensk from 1054 until his death in 1059.
He was son of Yaroslav the Wise and Ingegerd Olofsdotter of Sweden.
About Vyacheslav, there is almost no information.
Some documents point out the fact of him having a son, Boris Vyacheslavich, who challenged
Vsevolod I sometime in 1077-1078.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
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.
Boris Vyacheslavich
Boris Vyacheslavich was Prince of Chernigov for eight days in 1077.
He was the son of Vyacheslav Yaroslavich, Prince of Smolensk.
Following his father's death in 1057, the child Boris was debarred from his inheritance.
He died fighting against his unclesVsevolod Yaroslavich, Prince of Chernigov and Izyaslav Yaroslavich, Grand Prince of Kievon 3 October 1078.
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.
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.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Yaroslav the Wise
Yaroslav I, Grand Prince of Rus, known as Yaroslav the Wise or Iaroslav the Wise (c. 978 – 20 February 1054) was thrice grand prince of Veliky Novgorod and Kiev, uniting the two principalities for a time under his rule.
Yaroslav's Christian name was George (Yuri) after Saint George ("Gjurĭgì").
A son of Vladimir the Great, the first Christian Prince of Kiev, Yaroslav acted as vice-regent of Novgorod at the time of his father's death in 1015.
Subsequently, his eldest surviving brother, Sviatopolk I of Kiev, killed three of his other brothers and seized power in Kiev.
Yaroslav, with the active support of the Novgorodians and the help of Varangian mercenaries, defeated Svyatopolk and became the Grand Prince of Kiev in 1019.
Under Yaroslav the codification of legal customs and princely enactments had begun, and this work served as the basis for a law code called the "Russkaya PravdaRus Truth [Law]").
During his lengthy reign, Kievan Rus' reached the zenith of its cultural flowering and military power.

Question: Who is Vyacheslav Yaroslavich's paternal grandfather?
Answer: Vladimir the Great