Princess Maria Felicita of Savoy
Princess Maria Felicita of Savoy (19 March 1730 – 13 May 1801) was a princess of the House of Savoy, the third daughter of Charles Emmanuel III of Sardinia and his second wife, Polyxena of Hesse-Rotenburg.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Elena of Montenegro
Princess Elena of Montenegro, or more commonly known as Queen Elena of Italy (8 January 1873 – 28 November 1952) was the daughter of King Nicholas I of Montenegro and his wife, Milena Vukotić.
As wife of Victor Emmanuel III of Italy, she was Queen of Italy from 1900 until 1946, Empress consort of Ethiopia from 1936 until 1941 and Queen consort of the Albanians from 1939 until 1943.
Princess Maria Isabella of Savoy-Genoa
Princess Maria Isabella of Savoy- Genoa( born 23 June 1943) is the last surviving male- line descendant of the Dukes of Genoa, a cadet branch of the House of Savoy which ruled Italy from 1861 to 1946.
Yolande Louise of Savoy
Yolande Louise of Savoy( 1487–1499), was a Duchess Consort of Savoy; married to Philibert II, Duke of Savoy.
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.
Princess Maria Anna Victoria of Savoy
Princess Maria Anna Victoria of Savoy (11 September 1683 – 11 October 1763) was the daughter of Prince Louis Thomas of Savoy, Count of Soissons, and Uranie de La Cropte de Beauvais.
Princess Maria Francesca of Savoy
Princess Francesca of Savoy (Maria Francesca Anna Romana; 26 December 1914 – 7 December 2001) was the youngest daughter of Victor Emmanuel III of Italy and Elena of Montenegro.
She was a sister of Umberto II of Italy and of Queen Giovanna of Bulgaria.
Princess Maria Pia of Bourbon-Parma
Princess Maria Pia of Bourbon- Parma( née Princess Maria Pia of Savoy; born 24 September 1934) is the eldest daughter of Umberto II of Italy and Marie- José of Belgium.
She is the older sister of Princess Maria Gabriella of Savoy, Vittorio Emanuele, Prince of Naples, and Princess Maria Beatrice of Savoy.
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 Princess Maria Francesca Of Savoy's maternal grandmother?