| Picture | Name | Father | Birth | Marriage | Became Duchess | Ceased to be Duchess | Death | Husband |
|---|---|---|---|---|---|---|---|---|
| Maria Cristina of Naples and Sicily | Ferdinand I of the Two Sicilies (Bourbon) |
17 January 1779 | 6 April 1807 | 12 March 1821 became queen |
11 March 1849 | Prince Charles Felix | ||
| Elisabeth of Saxony | John of Saxony (Wettin) |
4 February 1830 | 22 April 1850 | 10 February 1855 husband's death |
14 August 1912 | Prince Ferdinand | ||
| Translation Needed | Isabella of Bavaria | Prince Adalbert of Bavaria (Wittelsbach) |
31 August 1863 | 14 April 1883 | 26 February 1924 | Prince Thomas | ||
| Maria Luigia Alliaga Gandolfi | Carlo di Ricaldone, conte di Borghetto, Montegrosso e Pornas | 22 October 1899 | 28 February 1938 | 24 June 1963 husband's death |
19 July 1986 | Prince Ferdinando | ||
| Lydia of Arenberg | Engelbert-Maria, 9th Duke of Arenberg (Arenberg) |
1 April 1905 | 30 April 1928 | 24 June 1963 husband's accession |
23 July 1977 | Prince Filiberto | ||
| Lucia of Bourbon-Two Sicilies | Prince Ferdinand Pius, Duke of Calabria (Bourbon-Two Sicilies) |
9 July 1908 | 30 April 1928 | 7 September 1990 husband's accession |
8 December 1996 husband's death |
3 November 2001 | Prince Eugenio | |
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