Complex sentence: The Corps was divided into seven territorial Districts, 6 of them located in the Russia and 1 in the Kingdom of Poland, each having a Directorate; the Main Directorate, along with additional Gubernial Directorates, was also created.
Split into simpler sentences: The Corps was divided into seven territorial Districts, six of them located in Russia and one in the Kingdom of Poland, each having a Directorate. The Main Directorate, along with additional Gubernatorial Directorates, was also created.