Isaak Polonskiy was born in Novozybkov, Russia (USSR), 1893 to Nota and Risya. He was a teacher and married to Mariya. Prior to WWII he lived in Novozybkov, Russia (USSR). During the war he was in the Soviet armed forces. Isaak was killed in military service in WWII. Place of death: Belorussia (USSR), Belorussia (USSR), 1941.
Among the Jewish soldiers killed in WWII, especially in the Red Army, tens of thousands were singled out and murdered as Jews while in captivity as prisoners of war.