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.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
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.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Konstantin of Rostov
Konstantin Vsevolodovich  (May 18, 1186 in Rostov – February 2, 1218) was the eldest son of Vsevolod the Big Nest and Maria Shvarnovna.
In 1206 and 1207, he was the prince of Novgorod.
In 1207, his father sent him to rule the towns of Rostov and Yaroslavl.
In consequence of one domestic squabble, Vsevolod disinherited Konstantin on his deathbed and bequeathed his capital Vladimir to a younger son, Yuri II.
In the Battle of Lipitsa (1216), Konstantin and his ally Mstislav of Novgorod soundly defeated Yuri and occupied Vladimir.
Upon Konstantin's death in 1218, Yuri returned to the throne.
Konstantin's descendants, meanwhile, retained the towns of Rostov and Yaroslavl, where they would reign until the late 15th century.
Thus, numerous princely families of Russia issue from this prince.
Konstanin is also remembered for building the new Assumption Cathedral in Rostov and three brick cathedrals in Yaroslavl.
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.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
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 Bryant (naturalist)
Henry Bryant( May 12, 1820 – February 2, 1867) was an American physician and naturalist.
He was the grandfather of Henry Bryant Bigelow.
Vasilko Konstantinovich
Vasilko Konstantinovich (7 December 1209 in Rostov – 4 March 1238 in Sherensky forest) was the first Prince of Rostov, Russia.
He was the son of Konstantin of Rostov, and the spouse of Maria of Chernigov.
He died in battle during the Mongol invasion and was succeeded by his son Boris.

Question: Who is Vasilko Konstantinovich's paternal grandfather?
Answer: Vsevolod the Big Nest