Stéphanie Windisch-Graetz
Princess Stéphanie Windisch- Graetz( 17 July 1939 – 12 July 2019) was the daughter of Prince Franz Joseph zu Windisch- Graetz and granddaughter of Archduchess Elisabeth Marie of Austria.
Archduchess Elisabeth was the daughter of Rudolf, Crown Prince of Austria and granddaughter of Emperor Franz Joseph I of Austria.
She became an artist, known for her photographic portraits using only candles as a source of light, and for her sensual images from the animal world.
She married Dermot Blundell- Hollinshead- Blundell( 1935 –2009).
They were the parents of Henry Victor William Blundell- Hollinshead- Blundell( born 1967) and Alexander Otto Blundell- Hollinshead- Blundell( born 1969) who adopted the surname of his mother in 2011.
She had one younger brother, Prince Guillaume Franz Josef Maria Windisch- Graetz( born 1950; unmarried).
She died in a hospital in Sint- Lambrechts- Woluwe on 12 July 2019 due to complications after a heart operation.
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.
Archduchess Elisabeth Franziska of Austria (1892–1930)
Archduchess Elisabeth Franziska Marie Karoline Ignatia Salvator (27 January 1892 – 29 January 1930) was the eldest daughter of Archduke Franz Salvator of Austria and Archduchess Marie Valerie of Austria.
Through her mother, she was a granddaughter of Emperor Franz Joseph I of Austria.
Archduchess Elisabeth of Austria (1922–1993)
Archduchess Elisabeth of Austria( 31 May 1922 – 6 January 1993) was a member of the House of Habsburg- Lorraine.
She was the youngest daughter of Charles I, the last Emperor of Austria, and his wife, Princess Zita of Bourbon- Parma.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Archduchess Marie Valerie of Austria
Archduchess Marie Valerie of Austria (22 April 1868 – 6 September 1924) was the third daughter and fourth and last child of Franz Joseph I of Austria and Elisabeth of Bavaria.
Her given name was Marie Valerie Mathilde Amalie, but she was usually called Valerie.
Maria Theresa of Austria-Este (1849–1919)
Maria Theresa of Austria-Este (Maria Theresa Henriette Dorothee; 2 July 1849 – 3 February 1919) was the last Queen of Bavaria.
She was the daughter and only child of Archduke Ferdinand of Austria-Este and his wife, Archduchess Elisabeth of Austria.
Archduchess Elisabeth Franziska of Austria
Archduchess Elisabeth Franziska Maria of Austria (17 January 1831 – 14 February 1903) was born in Ofen (Buda), Hungary, the daughter of Palatine Joseph of Hungary (1776–1847) and his third wife Maria Dorothea of Württemberg (1797–1855).
Archduchess Elisabeth Amalie of Austria
Archduchess Elisabeth Amalie of Austria (7 July 1878 – 13 March 1960) was a daughter of Archduke Karl Ludwig of Austria and his third wife Infanta Maria Theresa of Portugal.
She was the mother of Franz Joseph II, Prince of Liechtenstein, and the paternal grandmother of Hans-Adam II, Prince of Liechtenstein.
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.

Question: Who is the maternal grandmother of Archduchess Elisabeth Franziska Of Austria (1892–1930)?
Answer: Elisabeth of Bavaria