Mother Krause's Journey to Happiness (1929)

Mother Krause's Journey to Happiness (German:Mutter Krausens Fahrt ins Glück) is a 1929 German silent drama film directed by Phil Jutzi and starring Alexandra Schmitt, Holmes Zimmermann and Ilse Trautschold. The film was produced by the left-wing Prometheus Film, a German subsidiary of the Soviet company Mezhrabpom-Film. It depicts the cruelty of poverty and depicts Communism as a rescuing force that, alas, reaches Mutter Krause and the child that lives in Krause's apartment too late.

More at Wikipedia.