Born at the Hofburg Imperial Palace in Vienna, she was the third surviving daughter of Francis II, Holy Roman Emperor, later Francis I of Austria after the dissolution of the Holy Roman Empire, and his wife Maria Theresa of Naples and Sicily.
Maria Clementina was a younger sister of Marie Louise, Empress of France, Ferdinand I of Austria, and Maria Leopoldina, Empress of Brazil. She was also an older sister of Marie Caroline, Crown Princess of Saxony, Archduke Franz Karl of Austria, and Archduchess Maria Anna of Austria. Maria Clementina was married, 28 July 1816, at Schönbrunn Palace, Vienna, to her mother"s younger brother, Prince Leopoldo of the Two Sicilies, Prince of Salerno, the youngest son of King Ferdinand I of the Two Sicilies and Archduchess Maria Carolina of Austria.
However, neither of these grandchildren married or produced children of their own.
She was eighty-three years old. All her descendants having predeceased her.
She was buried at the Basilica of Santa Chiara in Naples. Stillborn daughter (16 September 1819).
Princess Maria Carolina Augusta of the Two Sicilies (26 April 1822 – 6 December 1869) married Henri d"Orléans, Duke of Aumale and had issue.
Louis Philippe Marie Léopold d"Orléans, Prince of Condé (15 November 1845 – 24 May 1866). Henri Léopold Philippe Marie d"Orléans, Duke of Guise (11 September 1847 – 10 October 1847). Stillborn daughter (1849).
François Paul d"Orléans, Duke of Guise (11 January 1852 – 15 April 1852).
François Louis Philippe Marie d"Orléans, Duke of Guise (5 January 1854 – 25 July 1872). Stillborn son (15 June 1861).
Stillborn son (June 1864). Prince Lodovico Carlo of The Two Sicilies (19 July 1824 – 7 August 1824) died in infancy.
Stillborn daughter (5 February 1829).
Titles and styles 1 March 1798 – 11 August 1804 Her Royal Highness Archduchess Clementina of Austria 11 August 1804 – 28 July 1816 Her Imperial and Royal Highness Archduchess Clementina of Austria 28 July 1816 – 10 March 1851 Her Imperial and Royal Highness The Princess of Salerno 10 March 1851 – 3 September 1881 Her Imperial and Royal Highness The Dowager Princess of Salerno.
