Kamchatka Oblast
Dobrygin was born in Vilyuchinsk, Kamchatka Oblast, Russian SFSR, Soviet Union (now Kamchatka Krai, Russia) at the Rybachy Nuclear Submarine Base in Petropavlovsk-Kamchatsky, on the Kamchatka Peninsula is the Russian Far East. His father was a Soviet Navy submarine captain and his mother was a professional ballet dancer from Moscow, a combination Dobrygin has called a "super-Soviet ideal" match.