Complex sentence: Russian Ministry of Justice registry data of the party is Kosulino settlement near Ekaterinburg city which is Bakov's residence and is known as the site where last Russian Tsar Nicholas II with his family were killed, with subsequent creation of the Soviet Union.
Split into simpler sentences: Russian Ministry of Justice registry data of the party is in Kosulino settlement near Ekaterinburg city. Ekaterinburg which is Bakov's residence and is known as the site where last Russian Tsar Nicholas II with his family were killed, with subsequent creation of the Soviet Union.