Question: Elvira Madigan's father was born in what year?

full_context: Document 1: Johanna Loisinger: Johanna Maria Louise Loisinger (1865–1951), was an Austrian actress, pianist, and soprano opera singer, She was born on 18 April 1865 in Preßburg, Austria (today Bratislava), the daughter of John Loisinger and Maria Meier.
Document 2: John McCunn: John H. McCunn (Nov. 2, 1820–Jul. 6, 1872) belonged to a poor Irish immigrant family who arrived in New York City in the 19th century. He worked as a dockhand before training as a lawyer, and eventually becoming a judge. When the American Civil War began in 1861 he joined the Union Army as a Captain in the 69th New York Infantry Regiment before he recruited the 37th New York Infantry which he commanded as colonel. At war's end he was brevetted Brigadier General. He was a member of the infamous Tweed Ring, which he aided by naturalising new citizens to boost his election rolls. On one day alone, he naturalised over 2,000 new voters. However, when the scandal was uncovered, he was impeached and removed from office.
Document 3: Berousek family: The Berousek family is a Czech family, originally from Vilémov, with members who have been circus performers for two centuries. Skills include comedy, puppetry, acrobatics, equestrianism, bear training, tight rope walking, and juggling.
Document 4: Gizella Lutz: Ferenc Szálasiné (née Gizella Lutz or "Lucz"; 21 October 1906 – 1992) was the longtime companion and, for a brief time, wife, of Ferenc Szálasi who served as Leader of the Hungarian Nation and "de facto" Prime Minister of Hungary at the end of the Second World War. They were married on 29 April 1945, on the wedding day of Adolf Hitler and Eva Braun. She was captured by the United States Army on 3 July 1945 and transferred to Hungary. Her husband was executed on 12 March 1946. She was sentenced to twelve years imprisonment on 3 December 1953. She was released in 1958.
Document 5: Music Circus: Actor and adventurer St. John Terrell was born in Chicago, Illinois. He started in show business with a carnival act and later starred on the radio show "Jack Armstrong, All American Boy". Referred to as "Sinjun", he served in the Philippines with the USO. When a visiting touring company of an Irving Berlin musical needed performing space, Terrell suggested bulldozing a large pit for a stage in the center and audience on sloping and rising seating all around covered by a tent. This became the genesis to his original New Jersey Music Circus in 1949. Although rejected by the USO, he used his back pay, war bonds and loans after the war, to do it himself. Inspired by Greek amphitheaters, audience members sat in folding chairs no further back than 15 or 16 rows. Although a full orchestra was used, the sets were simple and low to keep sight lines clear. Props were carried on and off by stagehands, in clear view, running up and down aisles. Within 8 years, 30 separate canvas-topped theatres had opened in the US.
Document 6: Elvira Madigan (1967 film): Elvira Madigan is a 1967 Swedish film directed by Bo Widerberg, based on the tragedy of the Danish tightrope dancer Hedvig Jensen (born 1867), working under the stage name of Elvira Madigan at her stepfather's travelling circus, who runs away with the Swedish nobleman lieutenant Sixten Sparre (born 1854).
Document 7: John Madigan (ringmaster): John Adalbert Madigan, (12 August 1850 - 23 August 1897) was an American circus performer and ringmaster, during the later years of his life he worked in Scandinavia. He was raised in an American circus family of Irish background. He is known for his work in U.S circus scenes between 1866 and 1869, but from 1872 he worked at Cirkus Myers in Central Europe. To this circus, the Swedish-Norwegian circus artist Eleonora Olsen, later known as Laura Madigan (mother of Elvira Madigan) came to work in 1875, the two became a couple.
Document 8: Margaret Stonborough-Wittgenstein: Margaret "Gretl" Stonborough-Wittgenstein (September 19, 1882 – September 27, 1958), of the prominent and wealthy Viennese Wittgenstein family, was a sister of the philosopher Ludwig Wittgenstein and the pianist Paul Wittgenstein. She was the subject of a famous 1905 portrait painted for her wedding by the artist Gustav Klimt (Stonborough-Wittgenstein and other members of the Wittgenstein family were among Klimt's most important patrons), which was sold in 1960 by her son Thomas and may now be seen in the Neue Pinakothek gallery in Munich.
Document 9: Gretl Schörg: Born in Vienna, Schörg first trained for the profession of typist. In 1937, at the age of 23, she won a beauty contest and became " Queen of Danube ". That same year she made her stage debut in Ostrava at the Antonín Dvořák Theatre in the world premiere of Ödön von Horváth's play "Der jüngste Tag". She spent the next two years performing at that theatre, and at theatres in Karlovy Vary, Ostrava, Marienbad, and Vienna (Theater in der Josefstadt). In 1939 she joined the opera house in Aussig (now Usti nad Labem) where she became popular as a performer in operettas. She made her professional opera debut at that house as Hannerl in Heinrich Berté's arrangement of Franz Schubert's "Das Dreimäderlhaus".
Document 10: Elvira Madigan (1943 film): Elvira Madigan is a 1943 Swedish romantic drama film directed by Ake Ohberg. The film is based on the famous true story of Elvira Madigan. The film stars Eva Henning and Åke Ohberg.
Document 11: Gisela Brož: Gisela Antonia Brož (Brosch) (also sometimes referred to as Gisela Madigan), (4 April 1865 - 1945) was an Austrian-American circus performer, tight rope dancer, and clown. Her parents were shoemaker Joseph Brož and his wife Maria. She went to convent school in Siebenbürgen and at the age of 15 she got to know the circus family Madigans with John and Laura who at that time toured with circus Krembser in Vienna. Gisela became their foster child and got to learn tight rope dancing, this along with the couple's two year younger daughter Elvira Madigan.
Document 12: Elvira Madigan: Elvira Madigan (4 December 1867 – 19 July 1889) was the stage name of a Danish tightrope walker and trick rider, whose illicit affair and dramatic death were the subject of the Swedish film of 1967.
Document 13: Margaret Mitchell (actress): Margaret Julia Mitchell (popularly known as Maggie Mitchell) (1832–1918) was an American actress, born in New York City. She made her first regular appearance as Julia in "The Soldier's Daughter" at the Chambers Street Theatre in 1851. The parts in which she was best liked were Jane Eyre, Mignon, Little Barefoot, and Fanchon the Cricket. An early marriage in the 1850s produced her son Julian Mitchell. She was married to her second husband Henry Paddock, her manager, in 1868, and they had two children Fanchon and Harry M. Paddock. They divorced twenty years later and she was wed to Charles Abbott, and retired from the stage to live in New York. Notably she was the mother of Julian P. Mitchell, a musical comedy director associated with Weber & Fields and Florenz Ziegfeld. After her death on March 22, 1918, Maggie Mitchell was interred in Green-Wood Cemetery in Brooklyn.
Document 14: Ann McNulty: The Melodeon (accordion) playing vaudevillian Ann “Ma” McNulty (1887–1970), widowed in 1928 in the wake of the Great Depression and determined to support and keep together the small remaining family of herself and her 2 minor children, went to stage with these children, who were Eileen McNulty (1915–1989), a songstress and dancer, and Peter McNulty (1917–1960), a singer, dancer, violinist, pianist and, eventually, a composer of music and lyrics. The trio, who were known as the "“The McNulty Family’s Irish Showboat Revue”", first appeared on stage as such in 1932-1933 and through Ma’s astute show business acumen became almost immediately and remained for decades an astounding success on the U.S. East Coast entertainment circuit. The trio eventually appeared regularly on radio and at such venues as the Rockefeller Center's Radio City Music Hall, the Yorkville Casino, New York City’s Leitrim House and at Rockaway Beach, Queens. For 16 consecutive years the trio of "Ma" McNulty, Eileen McNulty and Peter McNulty sold out the Brooklyn Academy of Music’s 2,109 seat Howard Gillman Opera House. In their near 2 decades of music recording for labels like Decca Records, Standard and Copley from 1938-1956, the McNulty family’s "“Showboat Revue”" released 155 sides on 78-rpm shellac & vinyl. In 1953, they appeared through the then new entertainment venue of television on Milton Berle’s wildly popular Texaco Star Theater.
Document 15: Gisella Perl: Gisella Perl (10 December 1907 –16 December 1988) was a Romanian Jewish gynecologist deported to Auschwitz concentration camp in 1944, where she helped hundreds of women as inmate gynecologist without the bare necessities to perform her work. She survived, emigrated to New York and was one of the first women to publicize these experiences in English in her 1948 memoir "I was a doctor in Auschwitz". She became a specialist in infertility treatment at Mount Sinai Hospital, New York and eventually moved with her daughter to live in Herzliya, Israel, where she died.
ground_truth: 1850