Prince Carlo, Duke of Castro
Prince Carlo of Bourbon- Two Sicilies, Duke of Castro( born 24 February 1963) is a claimant to the headship of the House of Bourbon- Two Sicilies.
Princess Urraca of Bourbon-Two Sicilies
Princess Urraca of Bourbon- Two Sicilies( July 14, 1913, Nymphenburg Palace, Munich, Kingdom of Bavaria – May 3, 1999, Sigmaringen, Baden- Württemberg, Germany) was a member of the House of Bourbon- Two Sicilies and a Princess of Bourbon- Two Sicilies.
Princess Maria Immaculata of Bourbon-Two Sicilies (1874–1947)
Princess" Maria Immaculata" Cristina Pia Isabella of Bourbon- Two Sicilies( Full Italian name:" Maria Immacolata Speranza Pia Teresa Cristina Filomena Lucia Anna Isabella Cecilia Apollonia Barbara Agnese Zenobia, Principessa di Borbone delle Due Sicilie")( 30 October 1874 – 28 November 1947) was the fourth child and eldest daughter of Prince Alfonso of Bourbon- Two Sicilies, Count of Caserta and his wife Princess Maria Antonietta of Bourbon- Two Sicilies.
Infante Sebastian of Portugal and Spain
"Dom" Sebastian Gabriel of Bourbon and Braganza, (Rio de Janeiro, 4 November 1811 – Pau, 14 February 1875)
Infante of Portugal and Spain, was an Iberian prince of the 19th century, progenitor of the Spanish ducal lines of Hernani, Ansola, Dúrcal and Marchena, and Carlist army commander in the First Carlist War.
Archduchess María of Austria (b. 1967)
Archduchess María of Austria( née Princess María of Bourbon- Two Sicilies; born 5 April 1967) is a princess of Bourbon- Two Sicilies and the wife of Archduke Simeon of Austria.
Maria Carolina Zamoyska
Princess Maria Carolina of Bourbon- Two Sicilies, Duchess of Castro( née Countess Maria Carolina Zamoyska)( 22 September 1896 in Kraków, Austria- Hungary – 9 May 1968 in Marseille, France) was the wife of Prince Ranieri, Duke of Castro, claimant to the headship of the House of Bourbon- Two Sicilies.
Carolina was the sixth child and youngest daughter of Polish nobleman Andrzej Przemysław Zamoyski, Count Zamoyski and his wife Princess Maria Carolina of Bourbon- Two Sicilies.
Carolina's maternal grandparents were Prince Francis of Bourbon- Two Sicilies, Count of Trapani and his wife Archduchess Maria Isabella of Austria, Princess of Tuscany.
Princess Maria Amalia of Bourbon-Two Sicilies (1818–1857)
Princess Maria Amalia of Bourbon-Two Sicilies (Italian: "Maria Amalia di Borbone,
Principessa di Borbone delle
Due Sicilie")
(25 February 1818 in Pozzuoli, Two Sicilies – 6 November 1857 in Madrid, Spain) was a Princess of Bourbon-Two Sicilies by birth and an Infanta of Portugal and Spain through her marriage to Infante Sebastian of Portugal and Spain.
Prince Philip of Bourbon-Two Sicilies
Prince Philip of Bourbon- Two Sicilies( Filippo Maria Alfonso Antonio Ferdinando Francesco di Paola Lodovico Enrico Alberto Taddeo Francesco Saverio Uberto; 10 December 1885 – 9 March 1949) was a member of the House of Bourbon- Two Sicilies and a Prince of Bourbon- Two Sicilies.
Duchess Elisabeth of Württemberg (b. 1933)
Duchess Elisabeth of Württemberg( born 2 February 1933) is a member of the House of Württemberg and a Duchess of Württemberg by birth and through her marriage to Prince Antoine of Bourbon- Two Sicilies, a member of the House of Bourbon- Two Sicilies and a Princess of Bourbon- Two Sicilies.
Leopold, Prince of Salerno
Leopoldo Giovanni Giuseppe Michele of Bourbon- Two Sicilies, Prince of Salerno( 2 July 1790, Naples, Kingdom of Naples – 10 March 1851, Naples, Kingdom of the Two Sicilies) was a member of the House of Bourbon- Two Sicilies and a Prince of Bourbon- Two Sicilies.

Question: What is the place of birth of Princess Maria Amalia Of Bourbon-Two Sicilies (1818–1857)'s husband?
Answer: Rio de Janeiro