Question: Are Rosa von Praunheim and Robert Butler both German?

Context articles: Robert Butler (director)
Anita: Dances of Vice
I Am My Own Woman
Positive (1990 film)
Silence = Death
Neurosia: 50 Years of Perversity
A Virus Knows No Morals
Rent Boys
Dolly, Lotte and Maria
Rosa von Praunheim

Robert Butler (born November 16, 1927) is an American film director and Emmy Award-winning television director.
 He is best known for his work in television, where he directed the pilots for a number of influential series including "Star Trek" and "Hill Street Blues".
"Anita: Dances of Vice" (German: Anita – Tänze des Lasters) is a 1988 German film directed by Rosa von Praunheim.
 The film follows an elderly delusional woman who thinks she is Anita Berber (1899-1928), a German dancer who, with her partner, Sebastian Droste, came to represent the decadence of 1920's Berlin with their nude dancing, their cocaine habits and their uninhibited sex lives.
I Am My Own Woman (German: Ich bin meine eigene Frau ) is a 1992 German film directed by Rosa von Praunheim.
 The film, a documentary-drama, follows the life story of Charlotte von Mahlsdorf, an East German transsexual who survived the Nazis; the repression of the Communists and helped start the German gay liberation movement.
 The film is based on Mahlsdorf's autobiography: "Ich bin meine eigene Frau", published in 1992, published in English as "I Am My Own Woman" (1995) and "I Am My Own Wife" (2004).
Positive is a 1990 documentary film directed, written and produced by Rosa von Praunheim.
 The film follows "Silence = Death" as the second part of von praunheim and Phil Zwickler’s trilogy about AIDS and activism.
Silence = Death is a 1990 documentary film directed, written and produced by Rosa von Praunheim.
 The film centers on the response of some New York City artists to the AIDS epidemic.
 The interviewed includes East Village artist David Wojnarowicz, poet Allen Ginsberg, graffiti artist Keith Haring (who died from AIDS three months before the movie's release), Peter Kunz, Bern Boyle, and many others.
 It is the first part of von Praunheim and Phil Zwickler's trilogy about AIDS and activism it was followed by "Positive" (the third part, about the AIDS epidemic in Germany, was never released).
Neurosia: 50 Years of Perversity (German: Neurosia - 50 Jahre pervers ) is a 1995 German film directed by Rosa von Praunheim.
 The film is a mockumentary, an autobiography of Rosa von Praunheim, framed as murder mystery in which the director is the victim.
A Virus Knows No Morals (German: " Ein Virus kennt keine Moral") is a 1986 German film directed, written and produced by Rosa von Praunheim.
 The film is a black comedy about the AIDS epidemic.
 Made with a low budget, campy style and no professional actors, it covers many aspects of AIDS and its effects as well as attacking the rumors surrounding it in a satirical way.
Rent Boys (German: "Die Jungs vom Bahnhof Zoo") is a 2011 German documentary film directed, written and produced by Rosa von Praunheim.
 The original German title translates as "The guys from Bahnhof Zoo".
"Dolly, Lotte and Maria" (German: "Dolly, Lotte und Maria") is a 1987 German documentary film directed by Rosa von Praunheim.
 The film recounts the lives of Lotte Goslar, Dolly Haas and Maria Ley-Piscator, three German women performers who achieved success in Berlin in the 1930s.
 All left Nazi Germany for reasons of conscience, and eventually settled in the United States.
 After the war, all three remained in America and continued actively pursuing their careers, with mixed success.
 Each discusses her beginnings as a performer, her achievements in Europe, the reasons that motivated her to leave Germany, her decision to move to the U.S., and her current activities.
Rosa von Praunheim (born 25 November 1942) is a German film director, author, painter and the most famous gay rights activist in Germany, Austria and Switzerland.