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.
Mona Hopton Bell
Mona Hopton Bell( 1867- 1940) was a British artist, best known for her portraits of civic figures.
She was the grandmother of the painter Jean H. Bell.
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.
Miguel António do Amaral
Miguel António do Amaral( Lisbon;
1710 – Lisbon; 1780) was a Portuguese court painter to the House of Braganza, progressing in the years from the household of Joseph I of Portugal to that of Maria I of Portugal and finally to the household of José, Prince of Brazil.
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.
Konstancja Lubomirska
Princess Konstancja Lubomirska( ca. 1618–1646) was a Polish noble lady.
Konstancja married Kazimierz Franciszek Czarnkowski on 1 February 1637 in Kraków.
She was the mother of Adam Uriel Czarnkowski, grandmother of Zofia Anna Czarnkowska, Great- grandmother of Katarzyna Opalinska and the great- great- grandmother of Maria Leszczyńska.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Afonso IV of Portugal
Afonso IV (8 February 129128 May 1357), called the Brave , was King of Portugal from 1325 until his death.
He was the only legitimate son of King Denis of Portugal by his wife Elizabeth of Aragon.
Maria of Portugal, Queen of Castile
Maria of Portugal  (9 February 1313 – 18 January 1357) was a Portuguese princess who became Queen of Castile upon her marriage to Alfonso XI in 1328.
She was the first daughter of King Afonso IV of Portugal and his first wife Beatrice of Castile.

Question: Who is Maria Of Portugal, Queen Of Castile's paternal grandmother?
Answer: Elizabeth of Aragon