the sixth angel # 66_REV_09_13 # And the sixth angel sounded, and I heard a voice from the four horns of the golden altar which is before God, 
the sixth angel # 66_REV_09_14 # Saying to the sixth angel which had the trumpet, Loose the four angels which are bound in the great river Euphrates. 
the sixth angel # 66_REV_16_12 # And the sixth angel poured out his vial upon the great river Euphrates; and the water thereof was dried up, that the way of the kings of the east might be prepared.