Hubba bint Hulail
Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic" Nabī"( Prophet) Muhammad ibn Abdullah.
Alfonso II of Aragon
Alfonso II (1–25 March 1157 – 25 April 1196), called the Chaste or the Troubadour, was the King of Aragon and, as Alfons I, the Count of Barcelona from 1164 until his death.
The eldest son of Count Ramon Berenguer IV of Barcelona and Queen Petronilla of Aragon, he was the first King of Aragon who was also Count of Barcelona.
He was also Count of Provence, which he conquered from Douce II, from 1166 until 1173, when he ceded it to his brother, Ramon Berenguer III.
His reign has been characterised by nationalistic and nostalgic Catalan historians, as "l'engrandiment occitànic" or "the Pyrenean unity": a great scheme to unite various lands on both sides of the Pyrenees under the rule of the House of Barcelona.
Pepin III, Count of Vermandois
Pepin III, Count of Vermandois( also known as Pepin II, Count of Senlis; French:" Pépin")( c. 846 – 893) was a Frankish noble; the Count of Senlis and Count of Vermandois( 850 – 893); Lord of Valois( 877 – 886), and later Count of Valois( 886 – 893).
He was a son of Pepin, Count of Vermandois and Valois and thus a grandson of Bernard of Italy, who was himself a grandson of Charlemagne.
The brothers of Pepin III were Herbert I, Count of Vermandois and Bernard II, Count of Laon.
Pepin III of Vermandois's wife is unknown; their son was:
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Tjuyu
Tjuyu( sometimes transliterated as Thuya or Thuyu) was an Egyptian noblewoman and the mother of queen Tiye, and the wife of Yuya.
She is the grandmother of Akhenaten, and great grandmother of Tutankhamun.
Henry I, Count of Durbuy
Henry I( died 1097), Count of Durbuy, son of Albert II, Count of Namur, and Regilende, daughter of Gothelo I, Count of Verdun and Duke of Lorraine.
Emperor Henry IV confirmed donations made by Henry to Saint James's Church, Liège, as witnessed by Giselbert II, Count of Duras.
Henry participated in the First Crusade and died in Jerusalem in 1097.
Henry was married, but the name of his wife is unknown.
They had one child: Upon his death, Henry was succeeded as Count of Durbuy by his son Godefroi.
Alfonso II, Count of Provence
Alfonso II (1180 – February 1209) was the second son of Alfonso II of Aragon and Sancha of Castile.
His father transferred the County of Provence from his uncle Sancho to him in 1185.
Alfonso II was born in Barcelona.
In 1193, Alfonso married Gersenda II of Sabran, daughter of Rainou, Count of Forcalquier and Gersend of Forcalquier.
Their son was Ramon Berenguer IV as count of Provence.
According to explanations in the manuscripts of Gaucelm Faidit's poems, Alfonso was a rival of the troubadour for the love of Jourdaine d'Embrun.
Alfonso II died in Palermo, Sicily, Italy, while accompanying his sister Constance to her wedding with Frederick II, Holy Roman Emperor.
Ramon Berenguer IV, Count of Provence
Ramon Berenguer IV( 1198 – 19 August 1245) was a member of the House of Barcelona who ruled as count of Provence and Forcalquier.
He was the first count of Provence to live in the county in more than one hundred years.
Sancha of Aragon, Countess of Toulouse
Sancha of Aragon( 1186–1241) was the daughter of King Alfonso II of Aragon and his wife, Sancha of Castile.
Through her marriage to Raymond VII, Count of Toulouse in 1211, she acquired the titles Countess of Toulouse and Marquise of Provence from then until their divorce in 1241.
Sancha's paternal grandparents were Ramon Berenguer IV, Count of Barcelona and Petronilla of Aragon; her maternal grandparents were Alfonso VII of León and Castile and Richeza of Poland, Queen of Castile.
She was the sister of Peter II of Aragon and Alfonso II, Count of Provence.
She had one child, Joan, Countess of Toulouse, who held the same titles as her mother from 1249 to 1271.
Jeanne de Bourbon, Duchess of Bourbon
Jeanne de Bourbon( 1465 – 22 January 1511) was a daughter of John II, Count of Vendôme and Isabelle de Beauvau.
Through her daughter Madeleine, she was the maternal grandmother of French queen consort Catherine de' Medici and the great- grandmother of French Kings Francis II, Charles IX, and Henry III.

Question: Who is the paternal grandmother of Alfonso Ii, Count Of Provence?
Answer: Petronilla of Aragon