However, the line of Korah did not die out.

Exodus 6:24
The sons of Korah were Assir, Elkanah, and Abiasaph. These were the clans of the Korahites.

Numbers 16:27
So they moved away from the dwellings of Korah, Dathan, and Abiram. Meanwhile, Dathan and Abiram had come out and stood at the entrances to their tents with their wives and children and infants.

Numbers 16:32
and the earth opened its mouth and swallowed them and their households--all Korah's men and all their possessions.

Numbers 16:33
They went down alive into Sheol with all they owned. The earth closed over them, and they vanished from the assembly.

Numbers 26:12
These were the descendants of Simeon by their clans: The Nemuelite clan from Nemuel, the Jaminite clan from Jamin, the Jachinite clan from Jachin,

Deuteronomy 11:6
and what He did in the midst of all the Israelites to Dathan and Abiram, the sons of Eliab the Reubenite, when the earth opened its mouth and swallowed them, their households, their tents, and every living thing that belonged to them.

Deuteronomy 24:16
Fathers shall not be put to death for their children, nor children for their fathers; each is to die for his own sin.

Notwithstanding the children of Korah died not.