Question: When was Stephanie Zu Guttenberg's husband born?

Knowledge 1: Stephanie zu Guttenberg
Stephanie Freifrau von undzu Guttenberg (born Stephanie Gräfin von Bismarck-Schönhausen; 24 November 1976) is a German activist against child abuse, and the former president of the German section of , a human rights NGO working to protect the rights of children on the Internet and working to restrict the spread of child pornography, and a co-author of a book about these topics.She is the wife of Karl-Theodor zu Guttenberg, the former German Minister of Defence, who had to resign due to a scandal, the whole family move to America from Germany to escape scandal.A member of the Bismarck family, she is the great-great-granddaughter of Chancellor Otto, Prince of Bismarck, and great-granddaughter of Foreign Secretary Herbert, Prince of Bismarck.She is also a descendant of Robert Whitehead, the inventor of the torpedo, through her grandfather, the Austrian diplomat Alexander, Count of Hoyos.Through her grandmother Edmée de Loys-Chandieu (1892–1945), wife of Alexander Hoyos, she is a descendant of Swiss and Alsatian families, particularly the de Pourtalès family. [SEP] Knowledge 2: Karl-Theodor zu Guttenberg
Karl-Theodor Maria Nikolaus Johann Jacob PhilippFranz JosephSylvester Buhl-Freiherrvonund zu Guttenberg (born 5 December 1971) is a German businessman and politician of the Christian Social Union (CSU).He served as a member of the Bundestag from 2002 to 2011, as Secretary-General of the CSU from 2008 to 2009, as Federal Minister for Economics and Technology in 2009 and as Federal Minister of Defence from 2009 to 2011.After the discovery of plagiarism in his doctoral dissertation and the decision of the University of Bayreuth to revoke his doctorate, an affair known as Guttenberg plagiarism scandal, he resigned from all political posts in March 2011.In 2011, Guttenberg joined the Center for Strategic and International Studies (CSIS).Guttenberg is the chairman and a founder of "Spitzberg Partners", an advisory and investment firm based in New York City.He returned to German politics during the 2017 federal election by making a speech which was widely described as a comeback.
Knowledge 1: Stephanie zu Guttenberg
Stephanie Freifrau von undzu Guttenberg (born Stephanie Gräfin von Bismarck-Schönhausen; 24 November 1976) is a German activist against child abuse, and the former president of the German section of , a human rights NGO working to protect the rights of children on the Internet and working to restrict the spread of child pornography, and a co-author of a book about these topics.She is the wife of Karl-Theodor zu Guttenberg, the former German Minister of Defence, who had to resign due to a scandal, the whole family move to America from Germany to escape scandal.A member of the Bismarck family, she is the great-great-granddaughter of Chancellor Otto, Prince of Bismarck, and great-granddaughter of Foreign Secretary Herbert, Prince of Bismarck.She is also a descendant of Robert Whitehead, the inventor of the torpedo, through her grandfather, the Austrian diplomat Alexander, Count of Hoyos.Through her grandmother Edmée de Loys-Chandieu (1892–1945), wife of Alexander Hoyos, she is a descendant of Swiss and Alsatian families, particularly the de Pourtalès family. [SEP] Knowledge 2: Karl Theodor Freiherr von und zu Guttenberg
Karl Theodor Maria Georg Achaz Eberhardt Josef Freiherr von und zu Guttenberg( 23 May 1921 – 4 October 1972) was a German politician of the Christian Social Union of Bavaria( CSU).He was parliamentary secretary of state in the Chancellor's Office in the government of Kurt Georg Kiesinger from 1967 until 1969, as well as the foreign policy spokesman of the CDU/ CSU group in the Bundestag.Guttenberg was perceived as a hardline conservative anticommunist as well as a convinced proponent of European integration.His work was mostly within the field of foreign policy.Guttenberg served as an officer during World War II, but was punished for anti-Nazi statements and became, through his uncle Karl Ludwig Freiherr von und zu Guttenberg, a member of the anti-Nazi resistance in the German army.While his uncle was imprisoned after the 20 July plot and executed shortly before the war's end, Karl Theodor zu Guttenberg was taken prisoner of war by the British, and soon after started to work for British propaganda, including the Soldatensender Calais.Guttenberg owned large estates in Franconia, several hotels as well as the winery Weingut Reichsrat von Buhl in the Palatinate.Himself a member of the House of Guttenberg, he married Rosa Sophie Prinzessin von Arenberg, of the House of Arenberg, in 1943.Their son Enoch zu Guttenberg became a conductor as well as inherited Weingut Reichsrat von Buhl.His grandson is the politician and former federal government minister Karl- Theodor zu Guttenberg.He became a member of the CSU in 1946, and was a member of the Bundestag from 1957 to 1972, where he represented Kulmbach.In the Bundestag, he was a noted public speaker and was for several years the foreign policy spokesman of the CDU/ CSU group.Guttenberg was a fierce critic of the Ostpolitik of Willy Brandt.After Brandt's government had recognized the existence of" a second German state"( the German Democratic Republic), he called it a" dark hour".While most of the CDU/ CSU group abstained during the vote on the Basic Treaty, 1972, Guttenberg voted against.In a speech, he stated:" The" GDR" must be revealed to the world for what it is: Not a state, but a caricature of a state".A Roman Catholic, Guttenberg became a Knight of the Order of the Holy Sepulchre in 1957.He received the Grand Cross of the Order of Merit of the Federal Republic of Germany in 1972.
Knowledge 1: Stephanie zu Guttenberg
Stephanie Freifrau von undzu Guttenberg (born Stephanie Gräfin von Bismarck-Schönhausen; 24 November 1976) is a German activist against child abuse, and the former president of the German section of , a human rights NGO working to protect the rights of children on the Internet and working to restrict the spread of child pornography, and a co-author of a book about these topics.She is the wife of Karl-Theodor zu Guttenberg, the former German Minister of Defence, who had to resign due to a scandal, the whole family move to America from Germany to escape scandal.A member of the Bismarck family, she is the great-great-granddaughter of Chancellor Otto, Prince of Bismarck, and great-granddaughter of Foreign Secretary Herbert, Prince of Bismarck.She is also a descendant of Robert Whitehead, the inventor of the torpedo, through her grandfather, the Austrian diplomat Alexander, Count of Hoyos.Through her grandmother Edmée de Loys-Chandieu (1892–1945), wife of Alexander Hoyos, she is a descendant of Swiss and Alsatian families, particularly the de Pourtalès family. [SEP] Knowledge 2: Karl Ludwig Freiherr von und zu Guttenberg
Karl Ludwig Freiherr von und zu Guttenberg( 22 March 1902 – 23/24 April 1945) was a member of the German anti-Nazi resistance.He was executed in the aftermath of the failure of the 20 July plot to assassinate Adolf Hitler.The von Guttenberg family originates back to 1149 in Franconia( northern part of Bavaria) in the southern part of Germany.Karl Ludwig Freiherr von und zu Guttenberg studied law and history in Munich and graduated in 1929.In that year he married Therese, Princess Schwarzenberg.They had two daughters and one son.Karl Ludwig von Guttenberg was a Catholic monarchist who started publishing the" White Papers; Journals on History, Tradition and State"( formerly called" Monarchy") in 1934.Amongst its authors were Reinhold Schneider, Jochen Klepper, Ulrich von Hassell and Werner Bergengruen.The" White Papers"( in German:" Weiße Blätter") soon became an important organ and also a meeting place, through their publishers many various contacts, for the conservative opposition against the Nazi regime under Hitler.Karl Ludwig Freiherr von und zu Guttenberg first introduced Carl Goerdeler and Ulrich von Hassell to each other in 1939.In 1941, von Guttenberg was ordered to work in counterintelligence at the Foreign Affairs Office in Berlin through the help of Ludwig Beck.There, von Guttenberg worked under Admiral Wilhelm Canaris and belonged to the circle around Hans von Dohnanyi, Justus Delbrück, and Hans Oster.After the failure of the assassination attempt on Adolf Hitler on 20 July 1944, von Guttenberg was arrested by the Gestapo and interrogated under torture, apparently without result and he revealed no names of members of the resistance.In the night between the 23 and 24 of April in 1945, Karl Ludwig von und zu Guttenberg was murdered by order of Gestapo chief Heinrich Müller.The late politician and anti-Nazi resistance activist Karl Theodor Freiherr von und zu Guttenberg was his nephew and the latter's son Enoch zu Guttenberg was a conductor and father of politician and businessman Karl- Theodor zu Guttenberg.

Answer: 5 December 1971