Numbers 26:9
"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:"
Cross References (ranked by relevance)
Numbers 1:16
These were the renowned of the congregation, princes of the tribes of their fathers, heads of thousands in Israel.
Jude 1:11
Woe unto them! for they have gone in the way of Cain, and ran greedily after the error of Balaam for reward, and perished in the gainsaying of Core.
Psalm 106:17
The earth opened and swallowed up Dathan, and covered the company of Abiram.