Question: Johanna von Koczian was offered a roll at a prominent festival of music and drama held within the birthplace of who?

Context articles: Salzburg Festival
Victor and Victoria (1957 film)
Johanna von Koczian
Princess Marianne of Prussia
Street of Temptation
Bismarck Mausoleum
Our House in Cameroon
Princess Margaretha of Saxony
Franz von Hillenbrand
Anna Yevreinova

The Salzburg Festival (German: "Salzburger Festspiele" ) is a prominent festival of music and drama established in 1920.
 It is held each summer (for five weeks starting in late July) within the Austrian town of Salzburg, the birthplace of Wolfgang Amadeus Mozart.
 One highlight is the annual performance of the play "Jedermann" ("Everyman") by Hugo von Hofmannsthal.
Victor and Victoria (German:Viktor und Viktoria) is a 1957 German musical comedy film directed by Karl Anton and starring Johanna von Koczian, Georg Thomalla and Johannes Heesters.
 A woman gains success on the stage by pretending to be a female impersonator.
 It is a remake of the 1933 film "Victor and Victoria", which had starred Renate Müller.
 The film's sets were designed by Emil Hasler and Walter Kutz.
Johanna von Koczian (born 30 October 1933) is a German actress.
 She grew up in Salzburg, Austria, where actor Gustaf Gründgens offered her a role at the Salzburg Festival.
 She later portrayed Anne Frank at the Schiller theater in Berlin, but her breakthrough in cinema was her role in the 1957 remake of "Victor and Victoria".
 She has appeared in 60 films and television shows since 1955.
 She starred in the film "The Marriage of Mr. Mississippi", which was entered into the 11th Berlin International Film Festival.
Princess Marianne of Prussia (German: "Prinzessin Marianne Cecilie Auguste Friederike Wilhelmine Elisabeth Johanna von Preußen" ; 23 August 19131 March 1983) was a member of the House of Hohenzollern, daughter of Prince Friedrich Wilhelm of Prussia.
Street of Temptation (German: Straße der Verheißung) is a 1962 West German drama film directed by Imo Moszkowicz and starring Mario Adorf, Karin Baal and Johanna von Koczian.
The Bismarck Mausoleum is the mausoleum of Prince Otto von Bismarck and his wife Johanna von Puttkamer.
 It is on the Schneckenberg hill just outside Friedrichsruh in northern Germany.
 Bismarck was the first Chancellor of Germany (1871–1890).
 The chapel is now a protected monument.
Our House in Cameroon (German: Unser Haus in Kamerun) is a 1961 West German adventure film directed by  Alfred Vohrer and starring  Johanna von Koczian, Götz George and Hans Söhnker.
Princess Margaretha of Saxony, Duchess of Saxony (German: "Prinzessin Margaretha Karoline Friederike Cecilie Auguste Amalie Josephine Elisabeth Maria Johanna von Sachsen, Herzogin zu Sachsen" ) (24 May 1840 – 15 September 1858) was the eighth child and fifth eldest daughter of John of Saxony and his wife Amalie Auguste of Bavaria and a younger sister of Albert of Saxony and George of Saxony.
 She was born in Dresden, then in the Kingdom of Saxony.
 Through her marriage to Archduke Charles Louis of Austria, Margaretha was a member of the House of Habsburg-Lorraine and an Archduchess and Princess of Austria and Princess of Hungary, Croatia, Bohemia, and Tuscany.
Franz von Hillenbrand was a Roman Catholic German aristocrat.
 He was born in Zolochiv, c. 1801, the Polish city that time was part of the Holy Roman Empire.
 His family migrated to the Galizien region from Augsburg in the late 18th century.
 It is unknown how many generations and members of the family lived in Galicia and what the reason was to choose the city as a new place for the family.
 The only known is that Franz von Hillenbrand left Zloczow in cca.
 1841.
 He met Ernestine Emilia Johanna von Böckh (who lived in Prague before), and got married on 21 August 1841 in Pozsony (now Bratislava), the administrative center of Hungary that time.
 (Ernestine von Böckh was his second wife as the first died before.)
 Both of them and their children (e.g. Aemilian Ernst Franz Xaver von Hillenbrand and Rudolf von Hillenbrand) lived in Wien-Alpenvorstadt, where Franz von Hillenbrand worked as an Imperial and Royal Accountant.
 Not so later, they moved back to Pozsony.
Anna Mikhaylovna Yevreinova (sometimes referred as Johanna von Evreinov, Russian: А́нна Миха́йловна Евре́инова ; 1844—1919) was a Russian feminist writer, lawyer and literary editor.
 Following her study at the University of Leipzig, she was the first Russian woman to earn the Juris Doctor degree, she was also the first woman who obtained the Juris Doctor degree from a German university.