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.
Supayalat
Supayalat (13 December 1859 – 24 November 1925), also spelt Suphayalat, was the last queen of Burma who reigned in Mandalay (1878–1885), born to King Mindon Min and Queen of Alenandaw (literally Middle Palace, also known as Hsinbyumashin or Lady of the White Elephant).
The British corruption of her name was "Soup Plate".
She was married to her half-brother, Thibaw, who became the last king of the Konbaung dynasty in 1878, upon Mindon Min's death.
She is best known for engineering a massacre of 80 to 100 royal family members, to prevent potential rivals from usurping Thibaw's power, although she had always denied any knowledge of the plot, which may have been hatched by her mother together with some of the ministers, including the chancellor Kinwon Min Gyi U Kaung.
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.
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.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
Taw Phaya
Prince Edward Taw Phaya(( 22 March 1924 – 12 January 2019), also known as Tun Aung) was the Pretender to the Throne of Burma( abolished in 1885).
He was the second son of Princess Myat Phaya Galay, the fourth daughter of King Thibaw and Queen Supayalat.
Upon the death of his aunt Myat Phaya Lat in 1956, he became the Head of the Royal House of Konbaung.
Myat Phaya
Princess Myat Phaya (born in Madras at 7 March 1886 – 21 July 1962), was a Burmese royal princess and senior member of the Royal House of Konbaung.
She is the third daughter of the last ruling king of Burma, King Thibaw and his queen Supayalat.
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-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.

Question: Who is Myat Phaya's maternal grandfather?