Exodus 6:21
And the sons of Izhar [are] Korah and Nepheg and Zikri.
Numbers 16:1
Now Korah son of Izhar, son of Kohath, son of Levi, and Dathan and Abiram sons of Eliab, and On son of Peleth, the descendants of Reuben,
1 Chronicles 6:37-38
son of Tahath, son of Assir, son of Ebiasaph, son of Korah,
Exodus 6:24
And the sons of Korah [are] Assir and Elkanah and Abiasaph. These [are] the clans of the Korahites.
Numbers 16:32
The land opened its mouth and swallowed them up with their houses and every person {that belonged to Korah} and all the property.
Numbers 26:10-11
and the land opened its mouth and swallowed them with Korah, when that company died, when the fire consumed two hundred and fifty men, and they were a sign.