Konstancja Poniatowska
Princess Konstancja Poniatowska (1759–1830) was a Polish noblewoman, niece of king Stanisław August Poniatowski.
Konstancja was the daughter of Kazimierz Poniatowski and Apolonia Ustrzycka, and married Ludwik Skumin Tyszkiewicz on April 4, 1775 in Warsaw.
She was one of the closest friends of the French Minister of Foreign Affairs, Charles Maurice de Talleyrand-Périgord.
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.
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.
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.
Kazimierz Poniatowski
Prince Kazimierz Poniatowski (15 September 1721 – 13 April 1800) was a Polish Szlachcic, "podkomorzy wielki koronny" (1742–1773), Lieutenant general of the Royal Polish forces, "generał wojsk koronnych".
Knight of the Order of the White Eagle, awarded on 3 August 1744 in Warsaw.
He was the eldest of eight surviving children of Princess Konstancja Czartoryska and of Count Stanisław Poniatowski, Ciołek coat of arms, Castellan of Kraków.
His siblings were:
He was a great-grandson of the poet, courtier and alleged traitor, Jan Andrzej Morsztyn and through his great-grandmother, Catherine Gordon, lady-in-waiting to Queen Marie Louise Gonzaga, he was related to the House of Stuart and thereby connected to the leading families of Scotland, Spain and France.
In the 18th-century the Poniatowski family had achieved high rank among the Polish nobility (szlachta).
He was created "Prince" by his brother, King Stanisław II August Poniatowski on 4 December 1764.
After the First Partition of Poland (1772), he sold off his Podkomorzy title, played no further part in politics and joined the "high life".
He was considered a model of a "wastrel".
On 21 January 1751 he married Apollonia Ustrzycka (17 January 1736 – 1814), by whom he had one son and two daughters:
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.
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.
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.

Question: Who is Konstancja Poniatowska's paternal grandmother?