Question: The estranged husband of Francesca von Habsburg was born in what year?

full_context: Document 1: House of Habsburg: The House of Habsburg ( ; ] ), also called House of Austria, was one of the most influential and outstanding royal houses of Europe. The throne of the Holy Roman Empire was continuously occupied by the Habsburgs between 1438 and 1740. The house also produced emperors and kings of the Kingdom of Bohemia, Kingdom of England ("Jure uxoris" King), Kingdom of Germany, Kingdom of Hungary, Kingdom of Croatia, Second Mexican Empire, Kingdom of Ireland ("Jure uxoris" King), Kingdom of Portugal, and Spain, as well as rulers of several Dutch and Italian principalities. From the 16th century, following the reign of Charles V, the dynasty was split between its Austrian and Spanish branches. Although they ruled distinct territories, they nevertheless maintained close relations and frequently intermarried.
Document 2: Archduchess Assunta of Austria: Archduchess Assunta of Austria German: "Assunta, Erzherzogin von Österreich-Toskana" ;(10 August 1902 – 24 January 1993) was the youngest daughter of Archduke Leopold Salvator of Austria and Infanta Blanca of Spain. She was a member of the Tuscan branch of the Imperial House of Habsburg, an Archduchess of Austria and Princess of Tuscany by birth. Born and raised in the twilight years of the Austrian Empire, Archduchess Assunta lived in exile in Barcelona, Spain after the fall of the Habsburg monarchy. She entered religious life in a convent in Barcelona, but was forced to leave it in 1936 due to disturbances during the Spanish Civil War. In 1939, she married Joseph Hopfinger, a Polish doctor. In 1942 the couple emigrated to the United States. Archduchess Assunta and her husband had two daughters, but they divorced in 1950. She moved to San Antonio, Texas where she had a variety of jobs living in anonymity until her death.
Document 3: Archduchess Margaretha of Austria: Archduchess Margaretha of Austria German: "Margaretha, Erzherzogin von Österreich-Toskana" ;(8 May 1894 – 21 January 1986) was a daughter of Archduke Leopold Salvator of Austria and Infanta Blanca of Spain. She was member of the Tuscan branch of the Imperial House of Habsburg, an Archduchess of Austria and Princess of Tuscany by birth. After the fall of the Austro Hungary Empire, she lived in exile, first in Barcelona and from the 1930s until the end of her life in Italy. In 1937, she married an Italian diplomat, Marchese Francesco Maria Taliani de Marchio. The couple, who had married in their forties, did not have children.
Document 4: Archduke Franz Karl of Austria: Archduke Franz Karl Joseph of Austria (17 December 1802 – 8 March 1878) from the House of Habsburg was father of two emperors (Franz Joseph I of Austria and Maximilian I of Mexico) as well as the grandfather of Archduke Franz Ferdinand of Austria, whose assassination sparked the hostilities that led to the outbreak of World War I, and the great-grandfather of the last Habsburg emperor Karl I.
Document 5: Princess Theresa of Bavaria (b. 1931): Archduchess Theresa of Austria, German: "Theresa Monika Valerie Elisabeth Ludovika Walburga Anna, Erzherzogin von Österreich" (born 9 January 1931 at Schloss Wallsee in Amstetten, Lower Austria, Federal State of Austria) is a member of the Tuscan branch of the House of Habsburg-Lorraine and an Archduchess of Austria and Princess of Bohemia, Hungary, and Tuscany by birth. Through her marriage to Prince Rasso of Bavaria, Theresa is also a member of the House of Wittelsbach and a Princess of Bavaria.
Document 6: Karl von Habsburg: Karl von Habsburg (Karl Thomas Robert Maria Franziskus Georg Bahnam; born 11 January 1961), also known as "Karl of Austria" and referred to in Austria as "Karl Habsburg-Lothringen", is an Austrian politician, the current head of the House of Habsburg-Lorraine which ruled the lands of the Habsburg Monarchy, the Empire of Austria the Austro-Hungarian Monarchy, and the Kingdom of Hungary as well as the Crown lands of Bohemia and Croatia by hereditary right until the end of World War I. Born in Starnberg, Germany, in 1961, he is the son of Otto von Habsburg and Princess Regina of Saxe-Meiningen, and the grandson of the last Austrian emperor, Charles I. He served as a Member of the European Parliament for the Austrian People's Party 1996–1999. Like his father, he is known as an advocate for the Pan-European movement.
Document 7: Archduke Karl Ludwig of Austria: Archduke Karl Ludwig Joseph Maria of Austria (30 July 1833 – 19 May 1896) was the younger brother of Franz Joseph I of Austria (1830–1916), the father of Archduke Franz Ferdinand of Austria (1863–1914), whose assassination ignited World War I, and grandfather of the last emperor, Charles I.
Document 8: Dominic von Habsburg: Dominic Habsburg-Lothringen, also known as Dominic von Habsburg (born 4 July 1937, Sonnberg, Lower Austria) is a member of the House of Habsburg-Lorraine, also known by his ancestral titles as Archduke Dominic of Austria, Prince of Hungary, Bohemia, and Tuscany. All noble, royal, and imperial titles have been abolished and are forbidden in Austria and in Hungary.
Document 9: Franz, Duke of Hohenberg: Franz Ferdinand, Duke of Hohenberg (born 13 September 1927 at Artstetten Castle, Austria – died 16 August 1977 at Ried in der Riedmark, Austria), was the eldest son of Maximilian, Duke of Hohenberg and Countess Maria of Waldburg zu Wolfegg und Waldsee. He was also a grandson of Archduke Franz Ferdinand of Austria and his morganatic wife Sophie, Duchess of Hohenberg. As a result of that morganatic marriage, the Hohenbergs were excluded from the line of succession to the Austro-Hungarian throne.
Document 10: Count Leo Stefan of Habsburg: Count Leo Stefan Maria Carl Wolfgang Rudolf von Fidelis of Habsburg (born June 12, 1928 in Żywiec) is a morganaut of the House of Habsburg-Lorraine and the representative of the Teschen ducal line. He is the son of Archduke Leo Karl (1893–1939) and Countess Maria-Klothilde de Thuillières von Montjoye-Vaufrey et de la Roche (1893–1978) and a grandson of Archduke Charles Stephen of Austria. He is today the heir to the Dukedom of Teschen. because of the unequal marriage of his parents. He thus is only entitled to use the title Count of Habsburg. He has seven children of whom Count Albrecht of Habsburg (born 1963), who is his heir to the Dukedom.
Document 11: Georg von Habsburg: Georg von Habsburg (given names "Paul Georg Maria Joseph Dominikus"; born 16 December 1964 in Starnberg), referred to in Austria as Georg Habsburg-Lothringen, in Hungary as Habsburg György, and by his royal name as Archduke Georg of Austria, is the second son, and seventh and youngest child of Otto von Habsburg, the last Crown Prince of Austria-Hungary, and Princess Regina of Saxe-Meiningen. He has worked as a television journalist, based in Budapest, since 1993.
Document 12: Francesca von Habsburg: Francesca von Habsburg-Lothringen (born 7 June 1958) is an art collector and the estranged wife of Karl von Habsburg, current head of the House of Habsburg-Lorraine.
Document 13: Andrea von Habsburg: Andrea von Habsburg ("Andrea Maria von Habsburg-Lothringen") Archduchess of Austria, Hereditary Countess of Neipperg, (born 30 May 1953, in Würzburg, Bavaria), is the first child and oldest daughter of Otto von Habsburg and his wife Princess Regina of Saxe-Meiningen.
Document 14: Ferdinand Zvonimir von Habsburg: Ferdinand Zvonimir Maria Balthus Keith Michael Otto Antal Bahnam Leonhard von Habsburg (born 21 June 1997 in Salzburg), is the eldest son of Karl von Habsburg, head of the House of Habsburg-Lorraine. Habsburg is a racing driver currently competing in the FIA European Formula 3 Championship.
Document 15: Karl-Konstantin von Habsburg: Karl-Konstantin von Habsburg (Given names: Karl-Konstantin Michael Stephan Maria; born on 20 July 2004 in Budapest) referred to in Austria as Karl-Konstantin Habsburg-Lothringen, in Hungary as Habsburg Károly Konstantin, and also as Archduke Karl-Konstantin of Austria, is the only son of Georg von Habsburg and Duchess Eilika of Oldenburg. s of 2016 , he is considered third in line of succession to the former Austro-Hungarian throne. He is the great-grandson of Emperor Charles I of Austria through his grandfather Otto von Habsburg. Through his maternal grandfather, he is a descendant of George II of Great Britain, and would therefore be in line for the British throne were he not a Catholic and barred by the Act of Settlement.
ground_truth: 1961