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.
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.
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.
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.
Henry Benedict Stuart
Henry Benedict Thomas Edward Maria Clement Francis Xavier Stuart, Cardinal Duke of York (6 March 1725 – 13 July 1807) was a Roman Catholic cardinal, as well as the fourth and final Jacobite heir to claim the thrones of England, Scotland, France, and Ireland publicly.
Unlike his father, James Francis Edward Stuart, and brother, Charles Edward Stuart, Henry made no effort to seize the throne.
After Charles's death in January 1788
the Papacy did not recognise Henry as the lawful ruler of England, Scotland, and Ireland, but referred to him as the Cardinal Duke of York.
He spent his life in the Papal States and had a long career in the clergy of the Roman Catholic Church, rising to become the Dean of the College of Cardinals and Cardinal-Bishop of Ostia and Velletri.
At the time of his death he was (and still is) one of the longest-serving cardinals in the Church's history.
In his youth, Henry's father made him Duke of York (in the Jacobite Peerage), and it was by this title that he was best known.
Upon the death of his brother in 1788, Henry became known by Jacobites, and within his personal entourage, as Henry IX of England and Ireland, and Henry I of Scotland, although publicly he referred to himself as Cardinal-Duke of York "nuncupatus".
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.
James Francis Edward Stuart
James Francis Edward Stuart (10 June 1688 – 1 January 1766), nicknamed The Old Pretender, was the son of King James II and VII of England, Scotland and Ireland, and his second wife, Mary of Modena.
He was Prince of Wales from July 1688 until, just months after his birth, his Catholic father was deposed and exiled in the Glorious Revolution of 1688.
James II's Protestant elder daughter, Mary II, and her husband, William III, became co-monarchs and the Bill of Rights 1689 and Act of Settlement 1701 excluded Catholics from the English then, subsequently, British throne.
James Francis Edward was raised in Continental Europe.
After his father's death in 1701, he claimed the English, Scottish and Irish crown as James III of England and Ireland and James VIII of Scotland, with the support of his Jacobite followers and his cousin Louis XIV of France.
Fourteen years later, he unsuccessfully attempted to gain the throne in Britain during the Jacobite rising of 1715.
Following his death in 1766, his elder son, Charles Edward Stuart, continued to claim the British crown as part of the Jacobite Succession.
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.
Maria Clementina Sobieska
Maria Clementina Sobieska( 18 July 1702 – 18 January 1735) was a Titular Queen consort of England by marriage to James Francis Edward Stuart, a Jacobite claimant to the British throne.
The granddaughter of the Polish king John III Sobieski, she was the mother of Charles Edward Stuart and of Cardinal Henry Benedict Stuart.

Question: Who is the paternal grandmother of Henry Benedict Stuart?
Answer: Mary of Modena