Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
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).
Benito di Paula
Benito di Paula, stage name of Uday Velloso( born 28 November 1941), is a Brazilian singer- songwriter and pianist.
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.
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.
Uday Hussein
Uday Saddam Hussein al-Tikriti
(18 June 1964 – 22 July 2003) was the eldest child of Saddam Hussein by his first wife, Sajida Talfah, and the brother of Qusay Hussein.
Uday was seen for several years as the likely successor to his father, but lost the place as heir apparent to Qusay due to injuries he sustained in an assassination attempt.
Witness allegations have suggested that Uday was guilty of rape, murder, and torture, including torture of Iraqi Olympic athletes and members of the national football team.
Following the United States-led invasion of Iraq in 2003, he was killed alongside his brother Qusay and nephew Mustapha by an American task force after a prolonged gunfight in Mosul.
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.
Latif Yahia
Latif Yahia(" Laṭīf Yaḥīa"; born 14 June 1964) is an Iraqi- born author and former combatant in the Iran – Iraq War.
Two journalists have disputed this and other claims made by Yahia.
He is best known for being the alleged former body double of Uday Hussein, the son of Iraqi dictator Saddam Hussein.

Question: Who is the maternal grandfather of Uday Hussein?
Answer: Khairallah Talfah