Question: Do both directors of films Jettchen Gebert'S Story and The Three Sisters (1966 Film) share the same nationality?
Sentence (from "Jettchen Gebert's Story"): Jettchen Gebert's Story( German:Jettchen Geberts Geschichte) is a 1918 German silent film directed by Richard Oswald and starring Mechthildis Thein, Conrad Veidt and Leo Connard.
Relevant evidence: Yes