Princess Maria Pia of Bourbon-Two Sicilies (1849–1882)
Maria Pia of the Two Sicilies (2 August 1849 – 29 September 1882) was a Princess of the Two Sicilies and titular Duchess consort of Parma as the wife of Robert I, Duke of Parma.
Maria Pia was the daughter of King Ferdinand II of the Two Sicilies and his wife, Maria Theresa of Austria.
Maria Pia was forced into exile along with the rest of her family after the unification of Italy in 1861.
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 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.
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.
Prince Louis, Count of Aquila
Prince "Luigi" Carlo Maria Giuseppe of Bourbon-Two Sicilies, Count of Aquila (19 July 1824 – 5 March 1897) was a member of the House of Bourbon-Two Sicilies.
Princess Maria Pia of Bourbon-Parma
Princess Maria Pia of Bourbon- Parma( née Princess Maria Pia of Savoy; born 24 September 1934) is the eldest daughter of Umberto II of Italy and Marie- José of Belgium.
She is the older sister of Princess Maria Gabriella of Savoy, Vittorio Emanuele, Prince of Naples, and Princess Maria Beatrice of Savoy.
Robert I, Duke of Parma
Robert I (Italian: "
Roberto I Carlo Luigi Maria di Borbone, Duca di Parma e Piacenza"; 9 July 1848 –
16 November 1907) was the last sovereign Duke of Parma and Piacenza from 1854 until 1859, when the duchy was annexed to Sardinia-Piedmont during the "Risorgimento".
He was a member of the House of Bourbon-Parma and descended from Philip, Duke of Parma, the third son of King Philip V of Spain and Elisabeth Farnese.
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.
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.
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: When did Princess Maria Pia Of Bourbon-Two Sicilies (1849–1882)'s husband die?
Answer: 16 November 1907