B. Blutschande) is a 1929 German silent drama film directed by James Bauer and starring Walter Rilla, Erna Morena, and Olga Chekhova.

The film's sets were designed by the art director Max Heilbronner.

Gardener Martin Hollman meets Lisbeth his much older wife Hedwig's daughter from her first marriage.

At the registry office they are informed that under the criminal code they are considered to have committed incest.

This article related to a German film of the 1920s is a stub.