Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
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.
Harriet Lane (author)
Harriet Lane is a British writer, author of" Alys, Always" and" Her."
Her journalism has appeared in the" Observer", the" GuardianVogue" and" Tatler".
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.
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.
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.
Constance of Castile
Constance of Castile (1136 or 1140 - 4 October 1160) was Queen of France as the second wife of Louis VII, who married her following the annulment of his marriage to Eleanor of Aquitaine.
She was a daughter of Alfonso VII of León and Berengaria of Barcelona, but her year of birth is not known.
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.
Alys of France, Countess of Vexin
Alys of France, (or Alice)
Countess of Vexin (4 October 1160 – c. 1220) was the daughter of Louis VII, King of France and his second wife, Constance of Castile.
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.

Question: Who is Alys Of France, Countess Of Vexin's maternal grandmother?
Answer: Berengaria of Barcelona