sentences:  The older of the two sons of Johann Friedrich II, Johann Casimir, received Coburg, and the younger, Johann Ernst, received Eisenach.Johann Wilhelm retained only the smaller part of the duchy, the region around Weimar, but he added the districts of Altenburg, Gotha, and Meiningen to his territories.As a result of the Division of Erfurt, all of the territorial possessions of the House of Wettin, no matter which branch ruled the individual components, became contiguous.