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).
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.
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.
Biyu of Baekje
Biyu of Baekje (died 455, r. 427–455) was the twentieth king of Baekje, one of the Three Kingdoms of Korea.
According to the "Samguk Sagi", he was the eldest son of the 19th king Guisin.
The traditional dates of Biyu's rule are based on the "Samguk Sagi".
On the basis of more contemporaneous Chinese records, Best (1979) has suggested that the years 428 or 429–455 are more plausible.
Within the Korean peninsula, Biyu sought to strengthen Baekje’s relationship with Silla, exchanging ambassadors in 433 and 434.
Although Silla was a protectorate of Goguryeo at this time, Silla and Baekje allied themselves against Goguryeo (Naje Dongmaeng Hangul :나제동맹 Hanja :羅濟同盟).
Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
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.
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.
Guisin of Baekje
Guisin of Baekje (?–427, r. 420–427) was the nineteenth king of Baekje, one of the Three Kingdoms of Korea.
He was the eldest son of King Jeonji and Lady Palsu.
The traditional dates of Guisin's rule are based on the "Samguk Sagi".
On the basis of more contemporaneous Chinese records, the historian J. W. Best has suggested that the years 414–429 or 430 are more plausible.

Question: Who is Biyu Of Baekje's paternal grandfather?
Answer: Jeonji