 On 4 April 1558, Ivan the Terrible granted Grigory and his successors large estates along the Kama and Chusovaya rivers, including tax income and other privileges for 20 years.Stroganov organized migration there and founded several settlements.On 16 August 1566, Anikey Stroganov received a new privilege; at his own request their lands were included in the "oprichnina".