Isabella of Aragon, Queen of Germany
Isabella of Aragon( 1305 – 12 July 1330) was the daughter of James II of Aragon and his second wife Blanche of Anjou.
Queen consort of Frederick I of Austria.
She was a member of the House of Aragon
Sancho Ramírez
Sancho Ramírez (1042 – 4 June, 1094) was King of Aragon from 1063 until 1094 and King of Pamplona from 1076 under the name of Sancho V .
He was the eldest son of Ramiro I and Ermesinda of Bigorre.
His father was the first king of Aragon and an illegitimate son of Sancho III of Pamplona.
He inherited the Aragonese crown from his father in 1063.
Sancho Ramírez was chosen king of Pamplona by Navarrese noblemen after Sancho IV was murdered by his siblings.
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.
Ramiro II of Aragon
Ramiro II (24 April 1086 – 16 August 1157), called the Monk, was King of Aragon from 1134 until withdrawing from public life in 1137 (although he used the royal title until his death).
He was the youngest son of Sancho Ramírez, King of Aragon and Navarre and Felicia of Roucy.
Eleanor of Aragon, Countess of Toulouse
Eleanor of Aragon, Countess of Tolouse( 1182–1226) was a daughter of King Alfonso II of Aragon and Sancha of Castile, Queen of Aragon.
She married Raymond VI, Count of Toulouse.
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.
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.
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.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Petronilla of Aragon
Petronilla( 29 June/ 11 August 1136 – 15 October 1173), whose name is also spelled Petronila or Petronella( Aragonese" Peyronela" or" Payronella", and), was the Queen of Aragon from the abdication of her father in 1137 until her own abdication in 1164.
She was the daughter and successor of Ramiro II by his queen, Agnes.
She was the last ruling member of the Jiménez dynasty in Aragon, and by marriage brought the throne to the House of Barcelona.

Question: Who is the paternal grandmother of Ramiro Ii Of Aragon?
Answer: Ermesinda of Bigorre