The “Grumbach Feud”, in 1567, was a rather bizarre episode in the history of the Ernestine side of the House of Wettin, which led to life imprisonment for Elector John Frederick II “the Middle”, the D
The city of Gotha with the Grimmenstein Castle (woodcut from 1572)
Imperial ban signed on 13 May 1566 by Emperor Maximilian II against Duke John Frederick II
Elector Augustus, 1567 guldengroschen (Taler), with the Gotha imprint