Mentioned in the Bible by name

Dathan

And Korah, the son of Izhar, the son of Kohath, the son of Levi [Ex. 6:16–22],
and Dathan and Abiram, the sons of Eliab [from the tribe of Reuben, see Num. 26:8, 9],
and On, the son of Pelet, the son of Reuben,
took men

And Moses sent for Dathan and Abiram, the sons of Eliab, but they said, "We will not come,

"Speak to the congregation and say, 'Get up from the dwelling place of Korah, Dathan, and Abiram.

And Moses rose up and went to Dathan and Abiram, and the elders of Israel followed him.

So they rose up from the tents of Korah, Dathan, and Abiram on every side, and Dathan and Abiram came out and stood at the entrance of their tents with their wives, their sons, and their little ones.

And the sons of Eliab: Nemuel, Dathan, and Abiram. These are the Dathan and Abiram who were appointed by the assembly, who fought against Moses and Aaron in Korah's group, when they fought against the Lord (Yahweh) [Num. 16:1–2]

and what he did to Dathan and Abiram, the sons of Eliab, the son of Reuben, how the earth opened its mouth and swallowed them and their households and their tents and all the living things that followed them, in the midst of Israel [Num. 16].

The earth opened up and swallowed Dathan
and covered Abiram's division. [Num. 16]