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.
Peroz I
Peroz I (Middle Persian: 𐭯𐭩𐭫𐭥𐭰; New Persian: پیروز "Pirouz", lit. "
the Victor") was the eighteenth king (shah) of the Sasanian Empire from 459 to 484.
He was the son of Yazdegerd II  and brother of Hormizd III .
Peroz seized the throne from his older brother Hormizd III, whose reign lasted just two years.
During his reign, he successfully quelled a rebellion in Caucasian Albania in the west, and put an end to the Kidarites in the east.
He was, however, less successful in handling the Hephthalites, who had taken the Kidarites' place.
This eventually resulted in a disastrous defeat near Balkh, where Peroz was killed.
The magnates—most notably Sukhra and Shapur Mihran—elected Peroz's brother, Balash, as the new shah.
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.
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.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Jamasp
Jamasp (also spelled Zamasp or Djamasp; ; "Jāmāsp") was Sasanian King of Kings of Iran from 496 to 498/9.
He was a son of Peroz I and younger brother of Kavad I. Jamasp was installed on the Sasanian throne upon the deposition of the latter by the nobility and clergy.
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.
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 the paternal grandfather of Jamasp?
Answer: Yazdegerd II