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.
Hassan II of Morocco
King Hassan II (MSA: (a)l-ḥasan aṯ-ṯānī, Maghrebi Arabic: el-ḥasan ett(s)âni; 9 July 1929 – 23 July 1999) was King of Morocco from 1961 until his death in 1999.
He is descended from the Alaouite dynasty.
He was the eldest son of Mohammed V, Sultan, then King of Morocco (1909–1961), and his second wife, Lalla Abla bint Tahar (1909–1992).
Hassan was known to be one of the most severe rulers of Morocco, widely accused of authoritarian practices and of being an autocrat and a dictator, particularly during the Years of Lead.
Princess Lalla Hasna of Morocco
Princess Lalla Hasna of Morocco (born 19 November 1967 in Rabat) is the youngest daughter of King Hassan II and his second wife, Lalla Latifa Hammou.
She is sister to the current king, Mohammed VI and Prince Moulay Rachid.
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.
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.
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.
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.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
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.
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.

Question: Who is Princess Lalla Hasna Of Morocco's paternal grandmother?
Answer: Lalla Abla bint Tahar