Teresa Czartoryska
Princess Teresa Czartoryska (1785–1868) was a Polish noblewoman.
She was a daughter of Józef Klemens Czartoryski and Dorota Barbara Jabłonowska.
She married Prince Henryk Ludwik Lubomirski (1777–1850) on May 24, 1807.
Her daughter Jadwiga Lubomirska married Eugène, 8th Prince of Ligne in Vienna on October 28, 1836.
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.
Gülbahar Hatun (wife of Mehmed II)
Gülbahar Hatun( 1432 – 1492) was the consort of Sultan Mehmed II, and mother of Sultan Bayezid II of the Ottoman Empire and the grandmother of Selim I.
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.
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.
Hüma Hatun
Hüma Hatun (1410 ‒ September 1449) was the fourth wife of Ottoman Sultan Murad II and mother of Mehmed II and the grandmother of Bayezid II.
Izabela Maria Lubomirska
Princess Izabela Maria Sanguszko (née Princess Izabela Maria Lubomirska), in Polish "Izabela Maria z książąt Lubomirskich księżna Sanguszkowa" (1 March 1808 – 18 March 1868) was a Polish noblewoman.
Princess Izabela Maria was born to Prince Henryk Ludwik Lubomirski (15 September 1777 – 20 October 1850) and Princess Teresa Czartoryska (30 July 1785 – 31 December 1868).
Through her father she was great-granddaughter of Prince Stanisław Lubomirski and through her mother she was granddaughter of Prince Józef Klemens Czartoryski.
She had two sisters: Dorota and Jadwiga Julia (she married Eugène, 8th Prince of Ligne) and brother Jerzy Henryk.
On 6 July 1829, in Przeworsk she married Prince Władysław Hieronim Sanguszko.
They had five children:
She died in 1868.
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.

Question: Who is the maternal grandmother of Izabela Maria Lubomirska?
Answer: Dorota Barbara Jabłonowska