John Westley
Rev. John Westley( 1636 – 78) was an English nonconformist minister.
He was the grandfather of John Wesley( founder of Methodism).
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.
Countess Anne Dorte of Rosenborg
Countess Anne Dorte of Rosenborg( née Anne Dorte Maltoft- Nielsen; 3 October 1947 – 2 January 2014) was a Danish countess.
She was the wife of Count Christian of Rosenborg, the grandson of King Christian X of Denmark.
Prince Christian had to give up his princely rank in order to marry her because she was a commoner.
The couple married on 7 February 1971, earning her the title" Her Excellency Countess Anne Dorte of Rosenborg".
Since 1991, Anne Dorte and Christian of Rosenborg resided in a detached classical wing of the royal palace Sorgenfri in Lyngby near Copenhagen.
Princess Helena Adelaide of Schleswig-Holstein-Sonderburg-Glücksburg
Princess Helena Adelaide of Schleswig-Holstein-Sonderburg-Glücksburg (1 June 1888 - 30 June 1962) was the third eldest daughter of Friedrich Ferdinand, Duke of Schleswig-Holstein and his wife Princess Karoline Mathilde of Schleswig-Holstein-Sonderburg-Augustenburg.
She was a princess of Denmark through her marriage within the House of Schleswig-Holstein-Sonderburg-Glücksburg to Prince Harald of Denmark.
Princess Helena was a Nazi sympathiser during World War II and was after the war exiled from Denmark, but eventually allowed to return, where she died.
Lyon Cohen
Lyon Cohen( 1868–1937) was a Polish- born Canadian businessman and a philanthropist.
He was the grandfather of singer/ poet Leonard Cohen.
Eleanor Margaret Green
Eleanor Margaret Green, Princess Viggo, Countess of Rosenborg November 5, 1895, in New York City – July 3, 1966, in Copenhagen) was an American who became a Princess in Denmark.
By marriage, Green became Princess Viggo, Countess of Rosenborg.
Count Oluf of Rosenborg
Oluf, Count of Rosenborg
(Oluf Christian Carl Axel; 10 March 1923 – 19 December 1990), a former Danish prince, was the younger child and son of Prince Harald of Denmark by his wife, Princess Helena Adelaide of Schleswig-Holstein-Sonderburg-Glücksburg.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
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 the maternal grandfather of Count Oluf Of Rosenborg?