Archduchess Maria Antonia of Austria (1899–1977)
Archduchess Maria Antonia of Austria (13 July 1899 – 22 October 1977) was a daughter of Archduke Leopold Salvator of Austria and Infanta Blanca of Spain.
She was member of the Tuscan branch of the Imperial House of Habsburg, an Archduchess of Austria and Princess of Tuscany by birth.
In 1919, after the fall of the Austro Hungary Empire, she moved with her family to Spain.
In 1924 she married Ramón de Orlandis y Villalonga, a Spanish aristocrat.
When she became a widow during the Spanish civil war Archduchess Maria Antonia moved permanently to South America where she remarried.
Archduchess Maria Karoline of Austria
Archduchess Maria Karoline of Austria (Maria Karoline Luise Christine, Erzherzogin von Österreich; 10 September 1825 – 17 July 1915) was an Archduchess of Austria.
Archduchess Clementina of Austria
Clementina of Austria (1 March 1798 – 3 September 1881) was an Archduchess of Austria and "Princess of Salerno" upon her marriage to Prince Leopold of Bourbon-Two Sicilies, Prince of Salerno.
Archduchess Maria Carolina of Austria (1740–1741)
Archduchess Maria Carolina of Austria (
Maria Carolina Ernestina Antonia Johanna Josefa; 12 January 1740 – 25 January 1741), was the third child and daughter of Archduchess Maria Theresa of Austria, later Holy Roman Empress and Duke Francis of Lorraine.
Archduchess Maria Luisa of Austria, Princess of Tuscany (1798-1857)
Archduchess Maria Luisa of Austria, Princess of Tuscany( 30 August 1798 – 15 June 1857) was a member of the House of Habsburg- Lorraine.
Archduchess Maria Clementina of Austria
Maria Clementina of Austria (24 April 1777 – 15 November 1801) was an Austrian archduchess and the tenth child and third daughter of Leopold II, Holy Roman Emperor and Maria Luisa of Spain.
In 1797 she married her first cousin Hereditary Prince Francis of Naples, heir to the kingdoms of Naples and Sicily.
She was modest, well educated and kind, becoming popular in her adoptive country.
Afflicted with frail health, she died of tuberculosis, age twenty four.
Her only surviving child was Caroline, Duchess of Berry.
Archduchess Maria Elisabeth of Austria (1737–1740)
Archduchess Maria Elisabeth of Austria( Full name( German):" Maria Elisabeth Amalia Antonia Josefa Gabriele Johanna Agathe"; 5 February 1737 – 7 June 1740), was the eldest child and daughter of Archduchess Maria Theresa of Austria, later Queen of Hungary and Bohemia, and Duke Francis of Lorraine, later Francis I, Holy Roman Emperor.
Archduchess Maria Theresa of Austria (1845–1927)
Archduchess Maria Theresa of Austria (15 July 1845 – 8 October 1927) was a member of the Austrian house of Habsburg-Lorraine.
Archduchess Maria Amalia of Austria (1780–1798)
Archduchess Maria Amalia of Austria ("Maria Amalia Josephe Johanna Katharina Theresia"; 15 October 1780 - 25 December 1798) was an Archduchess of Austria by birth.
Maria Luisa of Spain
Infanta Maria Luisa of Spain (Spanish: "María Luisa",
German: "Maria Ludovika")
(24 November 1745 – 15 May 1792) was Holy Roman Empress, German Queen, Queen of Hungary and Bohemia, Grand Duchess of Tuscany as the spouse of Leopold II, Holy Roman Emperor.

Question: When did Archduchess Maria Clementina Of Austria's mother die?
Answer: 15 May 1792