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.
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.
Rachid Ben Ali
Rachid Ben Ali( born 1978, Taza, Morocco) is a controversial Dutch painter of Sephardic Moroccan descent.
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.
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.
Prince Moulay Rachid of Morocco
Prince Moulay Rachid of Morocco, also known as Prince Moulay Rachid ben al-Hassan, GCVO,  was born on 20 June 1970 in Rabat as the youngest male child of the late King Hassan II and his second wife, Lalla Latifa Hammou.
He holds a doctorate in international politics and serves Morocco as a diplomat.
He is currently second in the line of succession to the Moroccan throne.
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.

Question: Who is Prince Moulay Rachid Of Morocco's paternal grandmother?
Answer: Lalla Abla bint Tahar