Isabella of Navarre, Viscountess of Rohan
Isabel d' Albret of Navarre( 1512–1555) was the daughter of John III of Navarre( died 1516) and Catherine I of Navarre, sister and heiress of Francis Phoebus, King of Navarre.
As heir apparent, her brother rose to the throne in 1517 as Henry II of Navarre, grandfather of King Henry III of Navarre( Henry IV of France).
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.
Blanche of Navarre, Countess of Champagne
Blanche of Navarre( ?–1229) was countess and then regent of Champagne and finally also regent of her native kingdom of Navarre.
She was the youngest daughter of Sancho VI of Navarre and Sancha of Castile, who died in 1179, about two years after Blanche's birth.
Her eldest brother, Sancho VII of Navarre, succeeded their father as King of Navarre and was the last male descendant of the first dynasty of Kings of Navarre, the Pamplona dynasty, dying childless.
Her elder sister Berengaria of Navarre married Richard I of England.
Joan of Navarre (regent)
Joan of Navarre( 1382 – July 1413) was the heir presumptive to the throne of Navarre in 1402 – 1413, and regent of Navarre in the absence of her father in 1409 – 1411.
She was the eldest child of King Charles III of Navarre by his wife Eleanor, daughter of King Henry II of Castile.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
John II of Aragon
John II (Catalan: "Joan II", Aragonese: "Chuan II" and), called the Great ("el Gran") or the Faithless ("el Sense Fe")
(29 June 1398 – 20 January 1479), was the King of Navarre through his wife ("jure uxoris") from 1425 and the King of Aragon in his own right from 1458 until his death.
He was the son of Ferdinand I and his wife Eleanor of Alburquerque.
John was also King of Sicily from 1458-1468.
Isabella of France, Queen of Navarre
Isabella of France( 2 March 1241 – 17 April 1271) was a daughter of Louis IX of France and Margaret of Provence.
She was married to Theobald II of Navarre, eldest son of Theobald I of Navarre and Margaret of Navarre on 6 April 1255.
Isabelle became Queen consort of Navarre.
Blanche II of Navarre
Blanche II  (9 June 1424 – 2 December 1464), titular queen of Navarre, was the daughter of John II of Aragon and Blanche I of Navarre.
She was also Princess of Asturias by marriage.
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.
Philip, Count of Longueville
Philip of Navarre, Count of Longueville( 1336 – 1363) was a younger brother and supporter of Charles II of Navarre, a claimant to the French throne.
The son of Philip III of Navarre and Joan II of Navarre, he married Yolande of Flanders in 1353.
She was the daughter of Robert of Flanders and Joan of Brittany( from the House of Capet) and the widow of Henry IV of Bar.
The marriage was childless, though by his mistress Jeannette d' Aisy Philip had two illegitimate children- Lancelot( who was granted Longueville as a gift in 1371 by his uncle Charles II of Navarre so long as he served in the company of the Duke of Brittany) and Robine( granted Longueville by her uncle Louis of Navarre in 1367).
Philip and his brother Charles fought against John II of France in 1353.

Question: Who is the paternal grandmother of Blanche Ii Of Navarre?
Answer: Eleanor of Alburquerque