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.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Ahhotep I
Ahhotep
I (alternatively Anglicized "Ahhotpe" or "AahhotepIah (the Moon) is satisfied") was an Ancient Egyptian queen who lived
circa 1560–1530 BC, during the end of the Seventeenth Dynasty of Egypt.
She was the daughter of Queen Tetisheri (known as Teti the Small) and Senakhtenre Ahmose, and was probably the sister, as well as the queen consort, of Pharaoh Seqenenre Tao
ll.
Ahhotep
I had a long and influential life.
She ruled as regent for her son Ahmose I for a time.
Her titles include Great Royal Wife and "Associate of the White Crown Bearer" .
The title "King's Mother"  was found on the Deir el-Bahari coffin.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
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.
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.
Ahmose-Nefertari
Ahmose-Nefertari of Ancient Egypt was the first queen of the 18th Dynasty.
She was a daughter of Seqenenre Tao and Ahhotep I, and royal sister and the great royal wife of
Ahmose I. She was the mother of king Amenhotep I and may have served as his regent when he was young.
Ahmose-Nefertari was deified after her death.
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.

Question: Who is Ahmose-Nefertari's maternal grandfather?
Answer: Senakhtenre Ahmose