Reign of Bettmaringen
As part of the secularization in 1802/03, the rulership of Bettmaringen came under the sovereignty of Württemberg . In accordance with Article 19 of the Rhine Confederation Act of June 12, 1806, the Kingdom of Württemberg ceded the County of Bonndorf with the rule of Bettmaringen to the Grand Duchy of Baden in return for concessions from Baden .
- Gerhard Köbler : Historical lexicon of the German countries. The German territories from the Middle Ages to the present. 7th, completely revised edition. CH Beck, Munich 2007, ISBN 978-3-406-54986-1 , p. 66.