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.
Maria of Naples
Maria of Anjou (1290 – end of April 1346/January 1347) was a member of the Capetian House of Anjou who served as Queen of Majorca during her marriage to King Sancho.
She was the daughter of Charles II of Naples and his wife, Maria of Hungary.
Maria married King Sancho by proxy at Palma de Majorca on 20 September 1304 and in person in 1308.
The marriage produced no children, which threatened the survival of the young independent state.
Sancho willed the kingdom to his nephew James to prevent it from falling to the Crown of Aragon, and died in 1324.
Two years after Sancho's death, Maria married James of Ejerica, a member of the House of Barcelona.
She was imprisoned in Jerica in 1331 by King Alfonso IV of Aragon, and was later transferred to Valencia.
Her brother, King Robert of Naples, arranged her release, and she left Valencia after June 1337 for Barjals in Provence.
Maria died childless in 1346 or 1347.
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.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
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.
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.
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.
Anne Denman
Anne Denman( 1587–1661) was born in Olde Hall, Retford, Nottinghamshire.
Through a fortunate second marriage with Thomas Aylesbury, she became the grandmother of Lady Anne Hyde, Duchess of York and great- grandmother of Queen Mary II and Queen Anne.
Charles II of Naples
Charles II, also known as Charles the Lame (1254 – 5 May 1309), was King of Naples, Count of Provence and Forcalquier (1285–1309), Prince of Achaea (1285–1289), and Count of Anjou and Maine (1285–1290); he also styled himself King of Albania and claimed the Kingdom of Jerusalem from 1285.
He was the son of Charles
I of Anjouone of the most powerful European monarchs in the second half of the 13th centuryand Beatrice of Provence.
His father granted Charles the Principality of Salerno in the Kingdom of Sicily (or "Regno") in 1272 and made him regent in Provence and Forcalquier in 1279.
After the uprising known as the Sicilian Vespers against Charles' father, the island of Sicily became an independent kingdom under the rule of Peter III of Aragon in 1282.
A year later, his father made Charles regent in the mainland territories of the "Regno" (or the Kingdom of Naples).
Charles held a general assembly where unpopular taxes were abolished and the liberties of the noblemen and clerics were confirmed.
He could not prevent the Aragonese from occupying Calabria and the islands in the Gulf of Naples.
The Sicilian admiral, Roger of Lauria, captured him in a naval battle near Naples in 1284.
As he was still in prison when his father died on 7 January 1285, his realms were ruled by regents.

Question: Who is Maria Of Naples's paternal grandmother?
Answer: Beatrice of Provence