After three centuries of domination by feudal lords and territorial rulers, Isny's middle class was able to purchase the town's independence in 1365.
The emperor probably preferred politically a wealthy city over a powerful territorial ruler.
When the Jews passed under the jurisdiction of the territorial rulers, this principle was acknowledged.
In Medieval times, the brewing right or gruit right was one of the privileges granted by the land owner or territorial ruler.
In addition, the term vogt was used for administrative officers of territorial rulers, such as bailiffs.
Unlike other territorial rulers, the Normans recognized marriage by cohabitation or more danico.
Ultimately, the older towns' laws, along with local autonomy and jurisdiction, gave way to landed territorial rulers.
He invested the territorial rulers through whose lordships the roads ran, with the execution of these duties.
But by the late Middle Ages, mining rights, known as the Bergregal were transferred from the king to territorial rulers.
Some voluntarily placed themselves under the protection of a territorial ruler and therefore lost their independence.