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.
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.
Julia Livia
Julia Livia (c.7–43 AD), sometimes referred to as Julia Drusi Caesaris filia (Julia, daughter of Drusus Caesar), was the daughter of Drusus Julius Caesar and Livilla, and granddaughter of the Roman Emperor Tiberius.
She was also a first cousin of the emperor Caligula, and niece of the emperor Claudius.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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).
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.
Livilla
Claudia Livia Julia (Classical Latin: ; c. 13 BC – AD 31) was the only daughter of Nero Claudius Drusus and Antonia Minor and sister of the Roman Emperor Claudius and general Germanicus, and thus the paternal aunt of the emperor Caligula and maternal great-aunt of emperor Nero, as well as the niece and daughter-in-law of Tiberius.
She was named after her grandmother, Augustus' wife Livia Drusilla, and commonly known by her family nickname Livilla ("little Livia").
She was born after Germanicus and before Claudius.
She was twice married to the potential successor in the Julio-Claudian dynasty, first to Augustus' grandson Gaius Caesar
(died 4 AD) and later to Tiberius' son Drusus the Younger (died AD 23).
Allegedly, she helped her lover Sejanus in poisoning her second husband and died shortly after Sejanus fell from power in AD 31.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.

Question: Who is Julia Livia's maternal grandfather?