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).
Jezebel
Jezebel  was the daughter of Ithobaal I of Sidon and the wife of Ahab, King of Israel, according to the Book of Kings of the Hebrew Bible .
According to the Biblical narrative, Jezebel, along with her husband, instituted the worship of Baal and Asherah on a national scale.
In addition, she violently purged the prophets of Yahweh from Israel, damaging the reputation of the Omride dynasty.
For these offences, the Omride Dynasty was annihilated, with Jezebel herself suffering the gruesome death of defenestration.
In later Christian tradition, Jezebel was associated with false prophets.
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.
Ahaziah of Israel
Ahaziah ("’ĂḥazyāhYah has grasped"; also , "Ochozias" in the Septuagint and the Douai-Rheims translation) was king of the northern Kingdom of Israel and the son of Ahab and Jezebel.
Like his father, he reigned from Samaria.
William F. Albright has dated his reign to 850-849 BC, while E. R. Thiele offers the dates 853-852 BC.
The author of the "Books of Kings" criticized him for following the ways of his father Ahab and his mother Jezebel, and for making Israel sin "in the way of Jeroboam the son of Nebat".
Biblical commentator Albert Barnes notes that the phrase "in the way of his mother" does not occur anywhere else in the Hebrew Bible, and demonstrates the strong feeling of the writer of the Books of Kings as to the influence of Jezebel.
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.
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.
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.

Question: Who is Ahaziah Of Israel's maternal grandfather?
Answer: Ithobaal I