sentences:  In the early 19th century, a marked rise in Jettenbach's population, and the traditional practice of subdividing the land into smaller and smaller parcel by generations of inheritance, led to the economic downfall of many farming families in Jettenbach.This forced many to seek other livelihoods.A surplus of artisans and crafts-folk unable to sell most of their wares led to further waves of emigration in the mid-19th century.