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.
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.
Abd al-Razzaq Maymandi
Abd al- Razzaq Maymandi( died 11th- century) was a Persian" vizier" of the Ghaznavid Sultan Maw' dud Ghaznavi and Abd al- Rashid.
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.
Mawdud of Ghazni
Shahāb-ud-Dawla Mawdūd (died 1050), known as Mawdud of Ghazni , was a sultan of the Ghaznavids from 1041-50.
He seized the throne of the sultanate from his uncle, Muhammad of Ghazni, in revenge for the murder of his father, Mas'ud I of Ghazni.
His brother Majdud in Lahore did not recognize him as sultan, but his sudden death paved the way for Mawdud to exercise control over the eastern portion of the Ghaznavid Empire.
Mawdud inherited an empire whose entire western half was overrun by the Seljuk Empire and was battling to continue existing.
During his reign the further reaches of the Indian conquests and vassal states also broke away.
Mawdud was able to hold on to his Afghan realms and Indus valley territories while stabilizing while pushing north into Central Asia and stabilizing his western front with the Seljuqs.
Keikavus, author of the "Qabus nama", was a guest at Mawdud's court for seven to eight years.
Mas'ud I of Ghazni
Mas'ud I of Ghazni , known as Amīr-i Shahīd ("the martyr king")
(998 – 17 January 1040), was "sultan" of the Ghaznavid Empire from 1030 to 1040.
He rose to power by seizing the Ghaznavid throne from his younger twin Mohammad, who had been nominated as the heir upon the death of their father Mahmud of Ghazni.
His twin was shortly blinded and imprisoned.
However, when much of Mas'ud's western domains had been wrested from his control, his troops rebelled against him and reinstated Mohammad to the throne.
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.

Question: Who is Mawdud Of Ghazni's paternal grandfather?
Answer: Mahmud of Ghazni