 In 1782, Rothenbuch was declared the seat of the "Amtsvogtei".The Electoral Mainz "Amt" passed along with this under the 1803 "Reichsdeputationshauptschluss" to the newly formed Principality of Aschaffenburg, with which it passed in 1814 (by this time it had become a department of the Grand Duchy of Frankfurt) to the Kingdom of Bavaria.On 3 June 1814, Rothenbuch became the seat of a Royal Bavarian Court.