| Princess Maria Antonietta | |
| Full Name: | Italian: Maria Antonietta Giuseppina Leopoldina |
| Countess of Caserta | |
| Issue: |
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| House: | Bourbon-Two Sicilies |
| Father: | Prince Francis, Count of Trapani |
| Mother: | Archduchess Maria Isabella of Austria |
| Birth Date: | 16 March 1851 |
| Birth Place: | Naples, Two Sicilies |
| Death Place: | Freiburg im Breisgau, Republic of Baden, Nazi Germany |
| Burial Place: | Cimetière du Grand Jas, Cannes |
Princess Maria Antonietta of Bourbon-Two Sicilies (Maria Antonietta Giuseppina Leopoldina; 16 March 1851 – 12 September 1938) was a Princess of Bourbon-Two Sicilies by birth and by her marriage to Prince Alfonso, Count of Caserta, claimant to the defunct throne of the Two Sicilies.
Maria Antonietta was the eldest daughter of Prince Francis, Count of Trapani (son of Francis I of the Two Sicilies) and his wife (and niece) Archduchess Maria Isabella of Austria, Princess of Tuscany. She was an elder sister of Maria Carolina, Countess Andrzej Zamoyski.
Maria Antonietta married her first cousin Prince Alfonso, Count of Caserta, son of Ferdinand II of the Two Sicilies and his wife Maria Theresa of Austria, on 8 June 1868 in Rome. Antonietta and Alfonso had twelve children:
∞ Princess Maria Ludwiga Theresia of Bavaria, daughter of Ludwig III of Bavaria. This marriage produced six children.
∞ Mercedes, Princess of Asturias, daughter of Alfonso XII of Spain. This marriage produced three children.
∞ Princess Louise of Orléans, daughter of Prince Philippe, Count of Paris. This marriage produced four children.
∞ Prince Johann Georg of Saxony, son of George of Saxony. This marriage produced no issue.
∞ Archduke Peter Ferdinand of Austria, Prince of Tuscany, son of Ferdinand IV, Grand Duke of Tuscany. This marriage produced four children.
∞ Prince Luiz of Orléans-Braganza, son of Prince Gaston, Count of Eu. This marriage produced three children.
∞ Beatrice Bordessa, created Countess of Villa Colli, born into a bourgeois Italian family from Chester in the North of England.[1] This marriage produced no issue.
∞ Countess Maria Carolina Zamoyska, daughter of Count Andrzej Przemysław Zamoyski. This marriage produced two children.
∞ Princess Marie Louise d'Orléans, daughter of Prince Emmanuel, Duke of Vendôme. This marriage produced one child.
∞ Odette Labori, daughter of the French attorney Fernand Labori. This marriage produced no issue.
∞ Princess Malgorzata Izabella Czartoryska, daughter of Prince Adam Ludwik Czartoryski. This marriage produced one child.
∞ Princess Cecylia Lubomirska, daughter of Prince Kasimierz Lubomirski.[2] This marriage produced four children.