Heracleides of Gyrton
Heracleides of Gyrton in Thessaly, commanded the Thessalian cavalry in the army of Philip V of Macedon at the Battle of Cynoscephalae.
Abd al-Muttalib
Abd al- Muttalib Shaybah ibn Hashim( c. 497 – 578) was the grandfather of Islamic prophet Muhammad.
Beatrice of Provence
Beatrice of Provence (c. 122923 September 1267), was ruling Countess of Provence and Forcalquier from 1245 until her death, as well as Countess of Anjou and Maine, Queen of Sicily and Naples by marriage to Charles I of Naples.
She was the fourth and youngest daughter of Ramon Berenguer IV, Count of Provence and Forcalquier by his wife Beatrice, in turn daughter of Count Thomas I of Savoy and Margaret of Geneva.
Leonor Rodríguez de Castro
Leonor Rodríguez de Castro( died after 20 December 1275) was an infanta of the Kingdom of Castile as the third wife of Philip of Castile.
Adelaide del Vasto
Adelaide del Vasto( Adelasia, Azalaïs)( – 16 April 1118) was countess of Sicily as the third spouse of Roger I of Sicily, and Queen consort of Jerusalem by marriage to Baldwin I of Jerusalem.
She served as regent of Sicily during the minority of her son Roger II of Sicily from 1101 until 1112.
Philip of Sicily
Philip (born 1255/56, died 1277), of the Capetian House of Anjou, was the second son of King Charles
I of Sicily and Countess Beatrice of Provence.
He was at various times set up to become King of Sardinia, Prince of Achaea or King of Thessalonica, but ultimately ascended no throne.
Fred Le Deux
Frederick" Fred" Le Deux( born 4 December 1934) was an Australian rules footballer who played with Geelong in the Victorian Football League( VFL).
He is the grandfather of Tom Hawkins.
Henry Krause
Henry J." Red" Krause, Jr.( August 28, 1913 – February 20, 1987) was an American football offensive lineman in the National Football League for the Brooklyn Dodgers and the Washington Redskins.
He played college football at St. Louis University.
He is the grandfather of Jennifer Krause
He is the great grandfather of Payton Hoeing
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.
Cecile of France
Cecile of France( 1097 – after 1145) was a daughter of Philip I of France and Bertrade de Montfort.

Question: Who is Philip Of Sicily's maternal grandfather?
Answer: Ramon Berenguer IV, Count of Provence