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.
Zabou Breitman
Zabou Breitman (born Isabelle Breitman; 30 October 1959), or simply Zabou, is a French actress and director.
She is the daughter of actors Jean-Claude Deret and Céline Léger.
At the age of four, she appeared in her first movie.
Since 1981, Zabou has acted in dozens of roles in films, TV movies, and theaters.
She made her directoral debut in 2001 with "Se souvenir des belles choses", for which she won a César Award for Best Debut.
In 2012, she participated in "Rendez-vous en terre inconnue".
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.
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.
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.
Anna Chalon
Anna Chalon (born 30 October 1989), also known under the stage name Kiddo, is a French singer-songwriter, guitarist, and performer.
She wrote and performed the song "Run and Hide" for the film "Je l'aimais"
(Somebody I Loved), based on the book by Anna Gavalda.
She composes and performs the title "Hush Hush" played during the end credits of "No et moi" based on the novel of Delphine de Vigan.
She is the daughter of Zabou Breitman and sister of Antonin Chalon.
Hüma Hatun
Hüma Hatun (1410 ‒ September 1449) was the fourth wife of Ottoman Sultan Murad II and mother of Mehmed II and the grandmother of Bayezid II.
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 Anna Chalon's maternal grandmother?
Answer: Céline Léger