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.
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.
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.
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.
Pilar Bardem
María del Pilar Bardem Muñoz (born 14 March 1939) better known as Pilar Bardem
is a Spanish film and television actress.
She is a younger sister of the renowned film director Juan Antonio Bardem and the mother of Academy Award-winner Javier Bardem.
Born to performers Rafael Bardem and Matilde Muñoz Sampedro in Seville, Pilar began her screen career in 1965.
She was a regular in the television series
"Compuesta y sin novio" (1994), "Hermanas" (1998), "El Inquilino" (2004), and "Amar en tiempos revueltos" (2005–2007).
Bardem is the recipient of the Goya Award for Best Supporting Actress, the Premios ACE for Best Supporting Actress, the Valladolid International Film Festival Award for Best Actress, and two Spanish Actors Union Awards for her performances.
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.
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.
Matilde Muñoz Sampedro
Matilde Muñoz Sampedro( 2 March 1900 – 14 April 1969) was a Spanish film actress whose career stretched from the 1940s through the 1970s.
Born in Madrid, she was the grandmother of Carlos Bardem, Mónica Bardem and Javier Bardem.
She was the mother of Juan Antonio Bardem and actress Pilar Bardem.
Her husband was actor Rafael Bardem.
Matilde Muñoz Sampedro died in Madrid in 1969, aged 69.
Her sisters Guadalupe Muñoz Sampedro and Mercedes Muñoz Sampedro were both actresses.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Mónica Bardem
Mónica María Encinas Bardem (born May 4, 1964) is a Spanish film actress, daughter of actress Pilar Bardem and sister of actors Carlos and Javier Bardem.
Some of her films are "Kika" (1993), "Más que amor, frenesí" (1996) and "Boca a boca" (1995).
She also manages the family restaurants La Bardemcilla and La Bardemcilla de Santa Ana in Madrid.

Question: Who is the maternal grandmother of Mónica Bardem?
Answer: Matilde Muñoz Sampedro