Numbers 26:5-11 NIV

5 The descendants of Reuben, the firstborn son of Israel, were: through Hanok, the Hanokite clan; through Pallu, the Palluite clan;

References for Numbers 26:5

6 through Hezron, the Hezronite clan; through Karmi, the Karmite clan.

References for Numbers 26:6

7 These were the clans of Reuben; those numbered were 43,730.
8 The son of Pallu was Eliab,
9 and the sons of Eliab were Nemuel, Dathan and Abiram. The same Dathan and Abiram were the community officials who rebelled against Moses and Aaron and were among Korah’s followers when they rebelled against the LORD.

References for Numbers 26:9

10 The earth opened its mouth and swallowed them along with Korah, whose followers died when the fire devoured the 250 men. And they served as a warning sign.

References for Numbers 26:10

11 The line of Korah, however, did not die out.

References for Numbers 26:11