Numbers 26:8

4 “Take a census of the men twenty years of age or older, as the LORD has commanded Moses.” And these were the Israelites who came out of the land of Egypt:

5 Reuben was the firstborn of Israel. These were the descendants of Reuben: The Hanochite clan from Hanoch, the Palluite clan from Pallu,

6 the Hezronite clan from Hezron, and the Carmite clan from Carmi.

7 These were the clans of Reuben, and their registration numbered 43,730.

8 Now the son of Pallu was Eliab,

9 and the sons of Eliab were Nemuel, Dathan, and Abiram. It was Dathan and Abiram, chosen by the congregation, who fought against Moses and Aaron with the followers of Korah who rebelled against the LORD.

10 And the earth opened its mouth and swallowed them along with Korah, whose followers died when the fire consumed 250 men. They serve as a warning sign.

11 However, the line of Korah did not die out.

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,

Read all of Numbers 26