Question: Who's ancestors migrated to the island that is southwest of Oodaaq?
Sentence (from "Russians in Korea"): The community of Russian subjects/citizens in Korea has historically included not just ethnic Russians, but members of minority groups of Russia as well, such as Tatars, Poles, and, more recently, return migrants from among the "Koryo-saram" (ethnic Koreans whose ancestors migrated to the Russian Far East in the late 19th century) and Sakhalin Koreans.
Relevant evidence: No