Numbers 26:7-9

7These were the clans of Reuben; those numbered were 43,730. 8The son of Pallu was Eliab, 9and 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 .