Factors defining dynamics of deictic pronouns system

In the article dynamics of Russian pronouns with personally-spatial semantics is described. Using the material of East Slavic annalistic texts of the X-XIV centuries the author considers peculiarities of deictic pronouns used to express patrimonial relations in conditions of ethnic mentality emergence. The scheme of a functional paradigm of pronouns with semantics of patrimonial relations and the analysis of its reflexes in modern Russian is given.