When his brother Berthold IV died in 1186, he inherited the family possessions in the foothills of the Swabian Jura, including Teck Castle and the office of Cup-bearer of the Abbey of St. Gall and the area on the upper Neckar that went with this office.
The Agri Decumates or Decumates Agri were a region of the Roman Empire's provinces of Germania superior ("Upper Germania") and Raetia; covering the Black Forest, Swabian Jura, and Franconian Jura areas between the Rhine, Main, and Danube rivers; in present southwestern Germany, including present Frankfurt, Stuttgart, Freiburg im Breisgau, and Weißenburg in Bayern.
Jura | Canton of Jura | Jura Mountains | Jura, Scotland | Dole, Jura | Swabian | Jura (department) | Swabian Jura | Swabian League | Saint-Claude, Jura | Jura mountains | Jura foot railway line | Bernese Jura | Vadans, Jura | Swabian War | Swabian German | Poligny, Jura | Peseux, Jura | Jura–Simplon Railway | Jura Margulis | Jura Federation | Jura (canton) | Fétigny, Jura | Dyer's Broom growing in the Swabian Forest, Waldenburg, Baden-Württemberg | Crans, Jura | Courbette, Jura | Chapois, Jura | Barnhill, Jura | Aromas, Jura |
In 1182 the abbey had possessions not only around Rot an der Rot and in the nearby valley of the Iller but also had managed to acquire possessions on the Swabian Jura, near Lindau, around Hüttisheim, Steinbach and Untermoorweiler.