Six years later, the mother of the young men arrives in Aachen. She enquires about the whereabouts of her sons, and is told that four young men meeting their description are in residence in the city's house for the insane.
In the future, six years after the events, the mother of the boys arrives in Aachen. She asks about the location of her sons, and is told that there are four young men living in the city's asylum who match their description.