Holmes Zimmermann

This movie is about a working-class family in the late twenties in Berlin

Its original German title is Ums tägliche Brot (Our Daily Bread). It is also known as Hunger in Waldenburg. The film was produced by the left-wing Volksfilmverband in partnership with Weltfilm and the Theater am Schiffbauerdamm. Using a docudrama format, the film hightlights the hardships faced by Silesian coal miners in Waldenburg. It premiered at the Tauenzienpalast in Berlin on 16 March 1929 (en.wikipedia.org)

Three siblings, Tom, Jack and Mary escape poverty in the big city to find happiness in the wild west. They split up and soon find each other again on in the opposite side of the law.