Korah

Numbers 26:9, 10
and the sons of Eliab were Nemuel, Dathan, and Abiram. It was Dathan and Abiram, chosen by the congregation, who fought against Moses and Aaron with the followers of Korah who rebelled against the LORD. . . .

Numbers 27:3
"Our father died in the wilderness, but he was not among the followers of Korah who gathered together against the LORD. Instead, he died because of his own sin, and he had no sons.

Exodus 6:18, 21
The sons of Kohath were Amram, Izhar, Hebron, and Uzziel. Kohath lived 133 years. . . .

Jude 1:11
Woe to them! They have traveled the path of Cain; they have rushed headlong into the error of Balaam; they have perished in Korah's rebellion.

sons of Reuben

Genesis 49:3, 4
Reuben, you are my firstborn, my might, and the beginning of my strength, excelling in honor, excelling in power. . . .

1 Chronicles 5:1, 2
These were the sons of Reuben the firstborn of Israel. Though he was the firstborn, his birthright was given to the sons of Joseph son of Israel, because Reuben defiled his father's bed. So he is not reckoned according to birthright. . . .

took men.