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.
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.
Purnima (Hindi actress)
Purnima Das Verma( born Meherbhano Mohammad Ali) was an Indian film actress who worked predominantly in Hindi language films.
She is the grandmother of actor Emraan Hashmi.
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.
Tanuja
Tanuja Samarth, popularly known as Tanuja, is an Indian film actress, who predominantly works in the Hindi film industry.
Part of the Mukherjee-Samarth family, she is the daughter of actress Shobhna Samarth and producer Kumarsen Samarth, and was married to filmmaker Shomu Mukherjee, with whom she has two daughters, actresses Kajol and Tanisha.
A recipient of two Filmfare Awards, Tanuja is best known for her roles in the Hindi films like " Memdidi" (1961), "Chand Aur Suraj" (1965), "Baharen Phir Bhi Aayengi" (1966), "Jewel Thief" (1967), "Nai Roshni" (1967), "Jeene Ki Raah" (1969), "Haathi Mere Saathi" (1971), "Anubhav" (1971), "Mere Jeevan Saathi" (1972) and "Do Chor" (1972).
Her pairing with actors Sanjeev Kumar, Rajesh Khanna and Dharmendra used to be popular in late 60s and early 70s.
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.
Tanishaa Mukerji
Tanisha Mukerji is an Indian film actress known for her works in Indian movies, Bollywood and Telugu and Tamil films.
Part of the Mukherjee-Samarth family, she is the daughter of filmmaker Shomu Mukherjee and actress Tanuja Samarth and the younger sister of Bollywood actress Kajol.
She made her debut with the Hindi film
"Sssshhh..." in 2003.
She had her first hit with Ram Gopal Varma's "Sarkar", appearing alongside Amitabh Bachchan and Abhishek Bachchan.
She also was a contestant, and also ended up as the first runner-up on the reality show "Bigg Boss 7" in 2012
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.

Question: Who is Tanishaa Mukerji's maternal grandmother?
Answer: Shobhna Samarth