Meine Kusine aus Warschau (My Cousin From Warsaw) was based on a stage play by Louis Verneuil. It's a romantic farce, with the heroine posing as her own cousin to carry on two amours at once.
My Cousin from Warsaw is a 1931 French-German comedy film directed by Carmine Gallone and starring Elvire Popesco, André Roanne and Madeleine Lambert. The film's screenplay was adapted by Henri-Georges Clouzot. A separate German-language version was also made.