Das Rätsel des Vertrags von Lonyz im Kern der Auseinandersetzung zwischen dem Deutschen Orden und dem Bischof Christian von Preußen (1222/1240/1264)

The mystery of the Lonyz Treaty (1222) at the heart of the conflict between the Teutonic Order and the Bishop of Prussia Christian In 1222, at Lonyz , the Duke Conrad of Masovia gave to the bishop in charge of the christianization of Prussia, Christian, some goods in the Culmerland. The existence of three different versions of this treatise (confirmation by the pope in 1223 – two vidimus of 1238/1240 and 1264) has led to many debates between historians. What was the initial donation? Are later versions forgeries? And from whom? From a rereading of the documents and the study of the historical, archaeological and geographical context one arrives at the following hypothesis: the version of 1240 was interpolated by Christian of Prussia to incorporate the land of Löbau and the castles which protected this land