The monograph examines the central problem of the history of the Wood of Russia - the process of the genesis of feudalism. On the basis of the integrated use of written sources with the wide involvement of linguistic and archaeological materials, the formation of a class society is traced, the relations of domination and subordination of early and developed feudalism are revealed, the development of the structure of the ancient Russian feudal society in connection with the socio-economic and socio-political system of Ancient Russia is investigated. The book is designed for historians, teachers and university students and all interested in the history of our Motherland.