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.
Elizabeth Stuart, Queen of Bohemia
Elizabeth Stuart (19 August 159613 February 1662) was Electress of the Palatinate and briefly Queen of Bohemia as the wife of Frederick V of the Palatinate.
Because her husband's reign in Bohemia lasted for just one winter, Elizabeth is often referred to as the "Winter Queen".
Elizabeth was the second child and eldest daughter of James VI and I, King of Scotland, England, and Ireland, and his wife, Anne of Denmark.
With the demise of the last Stuart monarch in 1714, Elizabeth's grandson succeeded to the British throne as George I, initiating the Hanoverian dynasty.
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.
Landgravine Charlotte of Hesse-Kassel
Charlotte of Hesse- Kassel( 20 November 1627 – 26 March 1686) was the consort of Charles I Louis, Elector Palatine and mother of Elizabeth Charlotte of the Palatinate.
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.
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.
Charlotte of the Palatinate (1628–1631)
Charlotte of the Palatinate ("Princess Palatine Charlotte", 19 December 1628 – 14 January 1631), was the fourth daughter of Frederick V, Elector Palatine (of the House of Wittelsbach), the "Winter King" of Bohemia, by his consort, the English princess Elizabeth Stuart.
Charlotte was born in the Dutch Republic, where her family had sought refuge after the sequestration of their Electorate during the Thirty Years' War.
Charlotte's brother Charles Louis was, as part of the Peace of Westphalia, restored to the Palatinate.
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.

Question: Who is the maternal grandmother of Charlotte Of The Palatinate (1628–1631)?
Answer: Anne of Denmark