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.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
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.
Robert Lowther (1741–1777)
Robert Lowther( 1741–1777) was an English Member of Parliament, the younger son of Robert Lowther and Catherine Pennington and younger brother of James Lowther, 1st Earl of Lonsdale.
Brought into Parliament for the Government through his older brother's interest, Robert defied the ministry and voted in favor of John Wilkes in 1763.
For this, Lonsdale had him removed from his seat, and Robert died in obscurity.
Richard Lowther (died 1703)
Richard Lowther (1638–1703), English landowner at Maulds Meaburn, was the second son of Sir John Lowther, 1st Baronet and Mary Fletcher.
He received the estate at Maulds Meaburn from his father, and was Member of Parliament for Appleby from 1689 to 1690.
Lowther married Barbara Prickett and had two sons:
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.
Robert Lowther (1681–1745)
Robert Lowther (13 December 1681 – September 1745) was an English landowner, holding the estate of Maulds Meaburn, and colonial governor.
He was the eldest son of Richard Lowther and Barbara Prickett.
From 1711 to 1714 and 1715 to 1720, he served as Governor of Barbados.
On 22 June 1731, he married his cousin Katherine Pennington, daughter of Sir Joseph Pennington, 2nd Baronet.
They had five children:
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.
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.
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 Robert Lowther (1681–1745)'s paternal grandmother?
Answer: Mary Fletcher