ISB ~ Revelation 6 v8

Death … Hades:Personify the satanic forces that bring death and destruction into the world. Both are under the authority of Christ, who conquered them by his rising (1:18) and doomed them to everlasting destruction (20:1314). sword … famine … pestilence …

beasts:The judgments of the fourth horsemen.

• The same four curses ravaged Jerusalem in the sixth century B.C. (Ezek 14:21) as punishment for its infidelity to the Lord (Deut 32:23-25).