American Standard Version (ASV):
and the earth opened its mouth, and swallowed them up together with Korah, when that company died; what time the fire devoured two hundred and fifty men, and they became a sign.
King James Version (KJV):
And the earth opened her mouth, and swallowed them up together with Korah, when that company died, what time the fire devoured two hundred and fifty men: and they became a sign.