Where does the name jantzi come from?

The name "Jantzi" is of Swiss-German origin, often associated with the Amish and Mennonite communities in North America. It is derived from the German surname "Jantzi," which is a diminutive form of "Johann" or "John." This surname reflects the cultural and religious heritage of families who migrated from Europe to America, particularly in the 18th and 19th centuries. The name is commonly found among communities in Pennsylvania, Ohio, and Indiana.