[4] His career in Russian America dates to at least 1764, when he was in the Aleutian Islands on board the Petr i Pavel under Ivan Maksimovich Solov'ev.
Grigory Shelikhov met Delarov in Irkutsk and persuaded him to become the chief manager of his establishment at Three Saints Bay on Kodiak Island.
[9] In 1788 the Spanish expedition of Gonzalo López de Haro and Esteban José Martínez sailed to Alaska to investigate Russian activity.
A number of earlier Spanish voyages to Alaska had failed to find any Russians, but direct contact was made during the 1788 expedition.
[2] Evstratii is the grandfather of Pavel Viktorovich Delarov[11] as attested in signed copy of the Historical Survey of the Formation of the Russian-American Company (1861-1863) [12]