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.
Frederick, Duke of Bavaria
Frederick( 1339 – 4 December 1393) was Duke of Bavaria from 1375.
He was the second son of Stephen II and Elizabeth of Sicily.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Kaoru Hatoyama
After the elections of 2009, she became more widely known as the grandmother of Prime Minister Yukio Hatoyama and his politician brother Kunio Hatoyama.
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.
Gülbahar Hatun (wife of Mehmed II)
Gülbahar Hatun( 1432 – 1492) was the consort of Sultan Mehmed II, and mother of Sultan Bayezid II of the Ottoman Empire and the grandmother of Selim I.
Stephen II of Iberia
Stephen II( Step'anoz II), of the Chosroid dynasty, was a presiding prince of Iberia( Kartli, eastern Georgia) from 637/642 to c. 650.
The son and successor of Adarnase I, Stephen pursued his father ’s pro-Byzantine politics and was probably bestowed by the Emperor with the title of" patricius".
In 645, however, he was forced to recognize the Caliph as his suzerain when the Arabs moved into Georgia.
He was succeeded by his son, Adarnase II.
The exterior stone plaque of the church of the Holy Cross at Mtskheta, Georgia, mentions the principal builders of this church:
Stephanos the" patricius", Demetrius the" hypatos", and Adarnase the" hypatos" who have traditionally been equated by the Georgian scholars with Stephen I, son of Guaram; Demetre, brother of Stephen I and Adarnase I. However, an opinion expressed by Professor Cyril Toumanoff disagrees with this view by identifying these individuals with Stephen II, Demetre( brother of Stephen I), and Adarnase II( son of Stephen II), respectively.
Odo II, Count of Blois
Odo II  (983 – 15 November 1037) was the Count of Blois, Chartres, Châteaudun, Beauvais and Tours from 1004 and Count of Troyes (as Odo IV) and Meaux (as Odo I) from 1022.
He twice tried to make himself a king: first in Italy after 1024 and then in Burgundy after 1032.
Odo II was the son of Odo I of Blois and Bertha of Burgundy.
He was the first to unite Blois and Champagne under one authority although his career was spent in endless feudal warfare with his neighbors and suzerains, many of whose territories he tried to annex.
About 1003/4
he married Maud, a daughter of Richard I of Normandy.
After her death in 1005, and as she had no children, Richard II of Normandy demanded a return of her dowry: half the county of Dreux.
Odo refused and the two warred over the matter.
Finally, King Robert II, who had married Odo's mother, imposed his arbitration on the contestants in 1007, leaving Odo in possession of the castle Dreux while Richard II kept the remainder of the lands.
Odo quickly married a second wife, Ermengarde, daughter of .
Defeated by Fulk III, Count of Anjou, and Herbert I, Count of Maine, at the Battle of Pontlevoy in July 1016, he quickly tried to overrun the Touraine.
After the death of his cousin Stephen I in 1019/20, without heirs he seized Troyes, Meaux and all of Champagne for himself without royal approval.
From there he attacked Ebles, the archbishop of Reims, and Theodoric I, Duke of Lorraine.
Due to an alliance between the king and the Emperor Henry II he was forced to relinquish the county of Rheims to the archbishop.
He was offered the crown of Italy by the Lombard barons, but the offer was quickly retracted in order not to upset relations with the king of France.
In 1032, he invaded the Kingdom of Burgundy on the death of Rudolph III.
He retreated in the face of a coalition of the Emperor Conrad II and the new king of France, Henry I.
He died in combat near Bar-le-Duc during another attack on Lorraine.
Diana Guardato
Diana Guardato was a member of the aristocratic Patrician Guardato family, and had three children with King Ferdinand I: Diana Guardato is the 16th- Great Grandmother of His Royal Highness Albert II of Belgium, 15th- Great Grandmother of His Majesty Juan Carlos
I of Spain, 17th- Great Grandmother of Philippe of Belgium, 14th- Great Grandmother of His Majesty Manuel II of Portugal, 16th- Great Grandmother of Grand Duke Henri, as well as many others.
Stephen II of Troyes
Stephen II of Troyes (died 1047), sometimes called Etienne, was a Count of Troyes and Meaux from 1037 to 1047.
He was the son of (Eudes) Odo II, Count of Blois and, Chartres, Rheims, Troyes and Meaux, and of Ermengarde of Auvergne.
He married Adèle and had a son, Eudes II who was Count of Troyes and of Meaux, then of Aumale.

Question: Who is Stephen Ii Of Troyes's paternal grandmother?
Answer: Bertha of Burgundy