Question: The person Erika Rosenberg wrote a biography of was married to whom?

full_context: Document 1: Eva Salier: Eva Salier, née Hellendag, (1923 – August 12, 2014). A survivor of the Nazi Holocaust. She has written a book about her experience during her enslavement by the Nazis: "The Survival of a Spirit", a summation of the hardships suffered by her s mall group of "girls" as they were forcibly moved from secret site to secret site where they worked on electronic gear, including sending tubes for the enigma coding machine and V-2 guidance systems. As she tells the story, she worked in the first solid state transistors that would replace the tubes in the guidance system of the V-2. But this has never seen the light of day. The book was also translated into German as "Lebensweg einer Koblenzer Jüdin" and as "Ungebrochen durch die Hölle"
Document 2: E.R. Frank: E. R. Frank is an American fiction writer, clinical social worker and psychotherapist. She writes young-adult or teen fiction, and "middle-grade fiction".
Document 3: Paul Nguyen Cong Anh: Paul Nguyễn Công Anh (1919 — 2008) was a Vietnamese national who has been classed as a Righteous Among the Nations, by Yad Vashem. Paul Nguyen was born in Vietnam and immigrated to France, where he attended the University in Nice. Here he met a fellow student, Jadwiga Alfabet, a Jewish refugee from Poland and became engaged. In the summer of 1942 French police began arresting Jews with foreign nationality, including some of Jadwiga's relatives. Paul married Jadwiga on 5 September 1942, in the hope that gaining French citizenship she'd be protected from deportation. The couple then moved to Clermont-Ferrand, returning to Nice in 1943 when that city was in Italian control and relatively safe. However, in September 1943 the Germans re-occupied Nice and danger of deportation returned. From this time Paul Nguyen hid his wife, her uncle and aunt, Jakub and Salome Berliner and their baby son Roland. Obtaining false papers in November 1943 he arranged a people smuggler to take Jakub to Switzerland. He arranged a second journey with Salome Berliner and her infant. Paul and Jadwiga Nguyen had two daughters. Yad Vashem recognized Paul as Righteous on 30 April 2007. Paul Nguyễn Công Anh is the only Vietnamese person so recognized. His decorations included the Knight of the Legion of Honour.
Document 4: Berthold Beitz: Berthold Beitz (26 September 1913 – 30 July 2013) was a German industrialist. He was the head of the Krupp steel conglomerate beginning in the 1950s. He was credited with helping to lead the re-industrialization of the Ruhr Valley and rebuilding Germany into an industrial power. He gained acclaim for saving some 250 Jewish workers during World War II by declaring them to be essential workers at an oil facility in Poland. In 1973, for saving Jews, he received the Righteous Among the Nations title awarded by the Israeli Yad Vashem, the highest honor given to a non-Jew.
Document 5: Schindler's List: Schindler's List is a 1993 American epic historical period drama film directed and co-produced by Steven Spielberg and scripted by Steven Zaillian. It is based on the novel "Schindler's Ark" by Australian novelist Thomas Keneally. The film relates a period in the life of Oskar Schindler, an ethnic German businessman, during which he saved the lives of more than a thousand mostly Polish-Jewish refugees from the Holocaust by employing them in his factories during World War II. It stars Liam Neeson as Schindler, Ralph Fiennes as SS officer Amon Göth, and Ben Kingsley as Schindler's Jewish accountant Itzhak Stern.
Document 6: Valdemar Langlet: Valdemar Langlet [lan’lé] (December 17, 1872 in Lerbo, Sweden – October 16, 1960 in Stockholm) was a Swedish publisher, and an early Esperantist. With his wife Nina Borovko-Langlet in Budapest, he is credited with saving many Jews from the Holocaust, by providing Swedish documents saying that people were waiting for Swedish nationality. Raoul Wallenberg was inspired by Langlet and used the same method to save Jewish people when he came to Budapest. In 1965, Valdemar and Nina Langlet were recognized as Righteous Among the Nations by Yad Vashem.
Document 7: Courage to Care Award: Since April 23, 1987, the Anti-Defamation League has given award to honor rescuers of Jews during the Holocaust era. The award, called Courage to Care, was renamed in 2011 as the ADL "Jan Karski Courage to Care Award" in honor of one of its 1988 recipients, Jan Karski, a Polish Righteous who provided one of the first eyewitness accounts of the Final Solution to the West. The ADL plaque features miniature bas-reliefs depicting the backdrop for the rescuers’ exceptional deeds during the Nazi persecution, deportation and murder of millions of Jews. It is a replica of the plaques which constitute the Holocaust Memorial Wall created by noted sculptor Arbit Blatas, who also created the Holocaust Memorial in Paris and the display in the old ghetto of Venice, Italy. The award is given during specific programs and ceremonies sponsored by the ADL, often occurring several times a year, when possible.
Document 8: Erika Rosenberg: Erika Rosenberg (born 24 June 1951 in Buenos Aires, Argentina) is an author, interpreter and journalist. She wrote a biography of Emilie Schindler.
Document 9: Oskar Schindler: Oskar Schindler (28 April 1908 – 9 October 1974) was a German industrialist, spy, and member of the Nazi Party who is credited with saving the lives of 1,200 Jews during the Holocaust by employing them in his enamelware and ammunitions factories, which were located in occupied Poland and the Protectorate of Bohemia and Moravia. He is the subject of the 1982 novel "Schindler's Ark" and its 1993 film adaptation, "Schindler's List", which reflected his life as an opportunist initially motivated by profit, who came to show extraordinary initiative, tenacity, and dedication to save the lives of his Jewish employees.
Document 10: Emilie Schindler: Emilie Schindler (22 October 1907 – 5 October 2001) was a Sudeten German-born woman who, with her husband Oskar Schindler, helped to save the lives of 1,200 to 1,700 Jews during World War II by employing them in his enamelware and munitions factories, providing them immunity from the Nazis. She was recognized as Righteous Among the Nations by Israel's Yad Vashem in 1994.
Document 11: Liliana Heker: Liliana Heker (born 1943) is an Argentine writer. She wrote and edited left-wing literary journals during the Dirty War of state-sponsored violence in the 1970s and 1980s, using veiled critiques as a means of protest and engaging in vigorous debate with exiled writers such as Julio Cortázar.
Document 12: Barbara Zeisl Schoenberg: Barbara Zeisl Schoenberg was born in New York on May 17, 1940, the daughter of Austrian-American Jewish refugee from Nazi Austria composer Eric Zeisl and his wife Dr. Gertrud S Zeisl (Jellinek). She is portrayed by actress Frances Fisher in "Woman in Gold", the 2015 film about her son E. Randol Schoenberg, who represented Maria Altmann in her claim against the Government of Austria to recover five family-owned paintings by the artist Gustav Klimt stolen by the Nazis during World War II.
Document 13: Abraham Bankier: Abraham Bankier (1910-1956) was one of the owners of the "Rekord" factory on Lipowa street in Cracow, Poland, that Oskar Schindler took over during World War II. Schindler then hired Bankier to manage the factory, which was renamed "Deutsche Emailwarenfabrik Oskar Schindler", "Emalia" for short. Bankier was able to leverage black market dealings with extra scrap metal to bring additional Jews to work at the factory, thereby giving them a reprieve and ultimately saving many lives.
Document 14: Robert Shvarc: Robert Shvarc (10 December 1932 – 25 April 2003) born in Sarajevo of Bosnia, 10 December 1932, is a Hebrew and Albanian, recognized as one of the best translators from German of the 20th century and beginning of new millennium, writer and poet. His parents were respectively mother from Elbasan and father an Hebrew from Austria and lived in Shkodra, Albania. There Robert Shvarc grew up as a lover of Albanian mother's language and is the first who brought for the Albanian reader some masterpieces of literature as the novels of Gabriel García Márquez, Erich Maria Remarque, Lion Feuchtwanger, dramas of Bertolt Brecht; books of poetry from Goethe, Schiller and Heine. Also Shvarc translated in German best books of many Albanian poets and writers.
Document 15: Erika Mitterer: Erika Mitterer (1906–2001) was an Austrian writer. When she was 18, in 1924, she began writing poems to Rainer Maria Rilke, who wrote back with approximately fifty poems of his own, and called her verse a "Herzlandschaft" (landscape of the heart). She wrote about 117 poems to him in all. This was the only time Rilke had a productive poetic collaboration throughout all his work. She also visited Rilke. When she was 24 her first volume of poems was published; it was well-received, and Stefan Zweig called her "a great poet". During the time of Nazi Germany she wrote for the periodical "Das innere Reich", and also published the novel "The Prince of Darkness". In 1950 her "Correspondence in Verse" with Rilke was published, and received much praise. In 1992 a documentary about her, titled "Ericka Mitterer, Das Videoportrait: Dank des Lebens" was made.
ground_truth: Oskar Schindler