Exodus 6:21
The sons of Izhar: Korah, Nepheg, and Zichri.
Numbers 16:1
Now Korah the son of Izhar, the son of Kohath, the son of Levi, with Dathan and Abiram the sons of Eliab, and On the son of Peleth, descendants of Reuben, took action,
1 Chronicles 6:37-38
the son of Tahath, the son of Assir, the son of Ebiasaph, the son of Korah,
Exodus 6:24
The sons of Korah: Assir, Elkanah, and Abiasaph. These are the [extended] families of the Korahites.
Numbers 16:32
and the earth opened its mouth and swallowed them and their households, and all the men who supported Korah, with all their possessions.
Numbers 26:10-11
and the earth opened its mouth and swallowed them up along with Korah, when that company died, when the fire devoured two hundred and fifty men, so that they became a [warning] sign.