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.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
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.
King Zhao of Wei
King Zhao of Wei  (died 277 BC), personal name
Wei Chi  was king of Wei from 296 BC to 277 BC.
He was the son of King Xiang of Wei.
During his reign, his state suffered from repeated attacks by the state of Qin.
In 293 BC, he made an alliance with the state of Han against Qin but was defeated by the Qin general Bai Qi with the loss of 240,000 troops and 5 cities.
In 287 BC, Quyang was attacked and in 286 BC, Anyi (the former capital of Wei) and Henei was attacked as well.
In an attempt to assist in the attack on Anyi, Qin's ally, the state of Song was attacked in turn by the state of Qi and defeated at Wenyi (modern Wen County, Henan).
After a brief alliance (285–284 BC) between the states of Yan, Qin, Han and Zhao against Qi (which was negotiated at the Zhou Dynasty capital, Luoyang), King Zhao broke the alliance and allied with Qi against Qin.
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Lord Xinling
Lord Xinling (Chinese: 信陵君, d. 243 BC), born Wei Wuji (魏無忌), was a prominent aristocrat, statesman and general of the Warring States period and one of the Four Lords of the Warring States.
The son of King Zhao of Wei, and the half-brother of King Anxi of Wei, he served the State of Wei as Senior General.
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.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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.

Question: Who is Lord Xinling's paternal grandfather?
Answer: King Xiang of Wei