Revelation 6:8

And I saw, and behold a livid horse: and the one sitting on him, to him the name was Death, and Hades followed along with him: and power was given unto them over the fourth part of the earth, to slay with the sword, and with famine, and with death, and with the wild beasts of the earth.

Treasury of Scripture Knowledge

Summary

It shall devour the strength of his skin: even the firstborn of death shall devour his strength.

The firstborn

Bible References

The firstborn

Revelation 6:8
And I saw, and behold a livid horse: and the one sitting on him, to him the name was Death, and Hades followed along with him: and power was given unto them over the fourth part of the earth, to slay with the sword, and with famine, and with death, and with the wild beasts of the earth.