Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Nuno Alvites
Nuno Alvites, also referred to as Nuno or Nuño Aloitiz ("fl." 10171028), was a count of Portugal, a descendant of the first count, Vímara Peres as the son of Count Alvito Nunes and Gontina.
His presence is recorded for the first time in 1017.
He appears in 1025 confirming a donation made by King Alfonso V of León to Nuno's brother, Pedro Alvites and again in that same year in another charter in which he states that he succeeded his father Alvito.
He ruled the county with his spouse Ilduara Mendes, daughter of earlier count Menendo González, until he was assassinated in 1028, the same year as the death of King Alfonso V. Ilduara continued to rule the county, with her son Mendo, who was still a child, as regent after her husband's death.
Mendo Nunes
Mendo Nunes (Spanish: Menendo Núñez; (1020/10281050/1054) was a Count of Portugal from the family of Vímara Peres as the son of Nuno Alvites and Ilduara Mendes.
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.
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.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
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.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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).

Question: Who is Mendo Nunes's paternal grandfather?
Answer: Alvito Nunes