Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Batu Khan
Batu Khan (c. 1205–1255), also known as Sain Khan  and Tsar Batu, was a Mongol ruler and founder of the Golden Horde, a division of the Mongol Empire.
Batu was a son of Jochi and grandson of Genghis Khan.
His "ulus" was the chief state of the Golden Horde, which ruled Rus', Volga Bulgaria, Cumania, and the Caucasus for around 250 years, after also destroying the armies of Poland and Hungary.
"Batu" or "Bat" literally means "firm" in the Mongolian language.
After the deaths of Genghis Khan's sons, he became the most respected prince, called "aghaelder brother"), in the Mongol Empire.
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.
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.
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).
Toqoqan
Toqoqan was a member of the ruling family of the Mongol Empire.
He was a son of the Khan of the Golden Horde, Batu.
Through his father, he was also a great-grandson of the Mongol emperor Genghis Khan.
Though Toqoqan never reigned himself, many subsequent Khans were descended from him.
His chief wife was Köchü Khatun, also known as Buka Ujin of the Oirats.
Her father (or possibly brother) was Buqa-Temür, who was himself a grandson of Genghis Khan through his daughter Checheikhen.
Toqoqan had five sons, of whom the eldest, Tartu, became father of the Khan Talabuga.
Two further sons, Mengu-Timur and Tode Mongke, both by Köchü Khatun, were also Khans of the Golden Horde.
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.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.

Question: Who is Toqoqan's paternal grandfather?
Answer: Jochi