Berean Study Bible
A third of mankind was killed by the three plagues of fire, smoke, and sulfur that proceeded from their mouths.

King James Bible
By these three was the third part of men killed, by the fire, and by the smoke, and by the brimstone, which issued out of their mouths.

American Standard Version
By these three plagues was the third part of men killed, by the fire and the smoke and the brimstone, which proceeded out of their mouths.

Darby Bible Translation
By these three plagues were the third part of men killed, by the fire and the smoke and the brimstone which goes out of their mouths.

Douay-Rheims Bible
And by these three plagues was slain the third part of men, by the fire and by the smoke and by the brimstone, which issued out of their mouths.

English Revised Version
By these three plagues was the third part of men killed, by the fire and the smoke and the brimstone, which proceeded out of their mouths.

Young's Literal Translation
by these three were the third of men killed, from the fire, and from the smoke, and from the brimstone, that is proceeding out of their mouth,