Numbers 26:6

Moses and Eleazar the priest spoke with them in the plains of Moab by the Jordan at Jericho, saying,

“Take a census, from twenty years old and upward, as the LORD commanded Moses and the children of Israel.”

These are those who came out of the land of Egypt.

Reuben, the firstborn of Israel; the sons of Reuben: of Hanoch, the family of the Hanochites; of Pallu, the family of the Palluites;

These are the families of the Reubenites; and those who were counted of them were forty-three thousand seven hundred thirty.

The son of Pallu: Eliab.

The sons of Eliab: Nemuel, Dathan, and Abiram. These are that Dathan and Abiram who were called by the congregation, who rebelled against Moses and against Aaron in the company of Korah when they rebelled against the LORD;