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.
Qvarqvare II Jaqeli
Qvarqvare II Jaqeli or Kvarkvare II
Jaqeli  (1416 – 1498) was a Prince of Samtskhe-Saatabago, styled Atabeg of Samtskhe or Prince of Meskheti during 1451-1498.
He was a member of the Jaqeli family, the son of Ivane II Jaqeli.
In 1440s Qvarqvare rebelled against his brother, Aghbugha II, but his revolts were suppressed by Georgian nobles.
Despite of this, a few years later he succeeded Aghbugha, who died in 1451.
Qvarqvare, like his father fought against Royal house of Georgia for independence of Samstkhe.
In 1465 he defeated Georgian King George VIII at the battle near Paravani lake.
Qvarqvare captured king George and imprisoned him in Akhaltsikhe.
After this fact, Principality of Samtskhe separated from Georgia.
He also participated in the Georgian civil war, after which United Georgia fell.
Qvarqvare's independent reign was marked by warfare with the powerful Muslim states that surrounded the principality.
The Ağ Qoyunlu launched major attacks in 1466, 1476-1477 and 1485 and from 1479 the Ottoman Empire started to encroach on the territories.
Qvarqvare also had a number of victories.
Armenian sources record that in 1479 he ravaged the land around Erzurum, reducing the city to tributary status.
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.
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.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Mzetchabuk Jaqeli
Mzetchabuk Jaqeli  (1445 – 1516) was a Prince and Atabeg of Samtskhe-Saatabago during 1500-1515, member of the Jaqeli family and son of Qvarqvare II Jaqeli.
After his older brother's death Mzetchabuk had seized the Atabeg's throne from his nephew, Qvarqvare.
He was an ambitious and arrogant ruler.
Like his father and grandfather, Mzetchabuk demanded the separation of the Meskhetian church from the Georgian Orthodox church.
Atabeg Mzetchabuk Strived to strengthen Samtskhe.
He nominally obeyed Ottoman sultan Selim I and with his help Adjara came fully under Meskhetian rule.
In 1515 old Mzetchabuk abdicated and became a monk, received a monastic name Jacob.
After Mzetchabuk Atabeg's title would be given to his nephew Qvarqvare, but Mzetchabuk's younger brother Manuchar rebelled against him.
The war for succession was won by Manuchar and he became the next Atabeg.
Mzetchabuk Jaqeli died in 1516, at the age of 70-71.

Question: Who is the paternal grandfather of Mzetchabuk Jaqeli?
Answer: Ivane II Jaqeli