21 And the sons of Izhar: Korah, and Nepheg, and Zichri.
Exodus 6:21 Cross References - LITV
Exodus 6:24
24 And the sons of Korah: Assir, and Elkanah, and Abiasaph. These were the families of the Korahites.
Numbers 16:1
1 And Korah, the son of Izhar, the son of Kohath, the son of Levi, took both Dathan and Abiram the sons of Eliab, and On, the son of Peleth, the sons of Reuben;
Numbers 16:32
32 and the earth opened her mouth and swallowed them, and their houses, and all the men who were for Korah, and all their possessions.