Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
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.
Sajida Talfah
Sajida Khairallah Talfah  (born June 24, 1937) is the widow and cousin of former Iraqi President Saddam Hussein, and mother of two sons (Uday and Qusay) and three daughters (Raghad, Rana, and Hala).
She is the oldest daughter of Khairallah Talfah, her husband's maternal uncle.
She was played by Shohreh Aghdashloo in the BBC adaptation "House of Saddam" in 2008, in which her character played a major role.
As wife of Saddam Hussein, she was also the first lady of Iraq.
Rana Hussein
Rana Saddam Hussein  (born 1969) is the second-eldest daughter of the former President of Iraq, Saddam Hussein and his first wife, Sajida Talfah.
Her older sister is Raghad and younger sister is Hala Hussein.
In 1986, she married Saddam Kamel al-Majid, brother of Hussein Kamel al-Majid, her elder sister Raghad's husband, she has four children.
She accompanied her husband to Jordan in 1995, where she lived from August 8 of that year to February 20, 1996.
They returned to Iraq after receiving assurances from Saddam Hussein that he would pardon Kamel and his brother, Hussein Kamel al-Majid.
Despite this promise, before the end of the month, both Kamels were shot and killed by other clan members who declared them traitors.
In 1997, her brother Uday Hussein put Rana and her sister Raghad under house arrest for being involved in a plot to assassinate him.
On July 31, 2003, she went back to Jordan, where the king, Abdullah, granted her family asylum.
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.
Rana Vachhraj
Rana Vachhraj was a king of Lohar- Gadha in 13th century AD in what is now Afghanistan.
Rana was the elder son of Rana Vasupal and elder brother of Rana Jashraj and their only sister Harkor.
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.
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 maternal grandfather of Rana Hussein?
Answer: Khairallah Talfah