Read Numbers 26:9 Using Other Translations
And the sons of Eliab; Nemuel, and Dathan, and Abiram. This is that Dathan and Abiram, which were famous in the congregation, who strove against Moses and against Aaron in the company of Korah, when they strove against the LORD:
The sons of Eliab: Nemuel, Dathan, and Abiram. These are the Dathan and Abiram, chosen from the congregation, who contended against Moses and Aaron in the company of Korah, when they contended against the LORD
and Eliab was the father of Nemuel, Dathan, and Abiram. This Dathan and Abiram are the same community leaders who conspired with Korah against Moses and Aaron, rebelling against the LORD .