Guillaume Wittouck
Guillaume Wittouck( 1749- 1829) was a Belgian lawyer and High Magistrate.
He was the Grandfather of industrialist Paul Wittouck.
Amicie de Courtenay
Amicie of Courtenay (1250–1275) was a French noblewoman and a member of the Capetian House of Courtenay, a cadet line of the House of Capet.
Her father was Peter of Courtenay, Lord of Conches and Mehun (1218-1250); he fell in the Battle of Al Mansurah during the Seventh Crusade.
Amicie's mother was Pétronille of Joigny, the daughter of Gaucher de Joigny.
She married Count Robert II of Artois (1250-1302), together they had three children:
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.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
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.
Philip of Artois
Philip of Artois (1269 – 11 September 1298) was the son of Robert II of Artois, Count of Artois, and Amicie de Courtenay.
He was the Lord of Conches, Nonancourt, and Domfront.
He married Blanche of Brittany, daughter of John II, Duke of Brittany, and had the following children:
He served under his father at the Battle of Furnes, where he was wounded.
He never recovered, and died of the effects over a year later.
He was buried in the now-demolished church of the Couvent des Jacobins in Paris.
His premature death led to a legal battle later, when Artois was left to his sister Mahaut rather than his son Robert.
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.

Question: Who is Philip Of Artois's maternal grandfather?