Numbers 26:5-9

Reuben, the first-born of Israel; the sons of Reuben: of Hanoch, the family of the Hanochites; of Pallu, the family of the Palluites; of Hezron, the family of the Hezronites; of Carmi, the family of the Carmites. These are the families of the Reubenites; and they that were numbered of them were forty and three thousand and seven hundred and thirty. And the sons of Pallu: Eliab. And the sons of Eliab: Nemuel, and Dathan, and Abiram. These are that Dathan and Abiram, who were called of the congregation, who strove against Moses and against Aaron in the company of Korah, when they strove against Jehovah