The Thuringian Counts' War
(1342-1346) against the, at the end of this conflict, victorious landgrave of Thuringia and Margrave of Meissen Frederick II, called the Serious (✲ 30th November 1310 - † 18th November 1349) ended with the loss of their Imperial immediacy for the counts of Weimar-Orlamünde. Imperial immediacy (German: reichsunmittelbar, also referred as reichsfrei) was in the Holy Roman Empire, how Germany was called at that time, all those, which were placed under the directly and immediate authority of the Emperor (without an intermediary). They had to turn their main territories into fiefs of the Wettins and became vassals with the peace of Dresden on 11th April 1346. The territories fell fully to Wettin as an agreed fief after the death of Count Hermann VIII (by other method of counting VI) of Orlamünde in 1372, Taubach came with the territory too.
The Red Book of the City of Weimar is a register of the turned possessions, Taubach is referred as Touwich. The book reveals that a fish ground (fish pond) existed near the Ilm river, from which the Taubachien to gave weekly dues.
According to the Dresden register of 1378, in which Taubach is referred as Toybach, the following levies in the value of 6 marks (≘ 1,404 g silver) have to paid by the Taubachien to the Weimar Castle on Saint Michael (29th September): 4 malters grain, 3 malters barley, 2 malters and 10 bushels of oats, 1 bushel peas, 1 quarter bushel poppy seed, 8 chickens and 14 shillings (1 malter = 12 bushels (German: Scheffel) ≈ 900 l). In addition each house had to gave a hearth-hen (a hearth tax in Germany and the Nederlands as a hearth-penny in England) and a Taubachian called Weyse 2 fattened geese.
Frederick III, the Strict (✲ 14th December 1332 - † 21 May 1381), Landgrave of Thuringia and Margrave of Meissen pledged Taubach to the lords of Blankenhain for 100 marks in 1378, which is also noted in the Dresden Register.
Taubach was called Tobeche around 1381.