Numbers 16:1

Now Korah, the son of Izhar, the son of Kohath, the son of Levi, with Dathan and Abiram, the sons of Eliab, and On, the son of Pallu, the son of Reuben, made themselves ready,

Jude 1:11

A curse on them! They have gone in the way of Cain, running uncontrolled into the error of Balaam for reward, and have come to destruction by saying evil against the Lord, like Korah.

Exodus 6:21

And the sons of Izhar: Korah and Nepheg and Zichri.

Exodus 6:18

And the sons of Kohath: Amram and Izhar and Hebron and Uzziel: and the years of Kohath's life were a hundred and thirty-three.

Numbers 27:3

Death overtook our father in the waste land; he was not among those who were banded together with Korah against the Lord; but death came to him in his sin; and he had no sons.

Genesis 49:3-4

Reuben, you are my oldest son, the first-fruit of my strength, first in pride and first in power:

Numbers 26:9-10

And the sons of Eliab: Nemuel and Dathan and Abiram. These are the same Dathan and Abiram who had a place in the meeting of the people, who together with Korah made an outcry against Moses and Aaron and against the Lord:

Deuteronomy 11:6

And what he did to Dathan and Abiram, the sons of Eliab, the son of Reuben; when they went down into the open mouth of the earth, with their families and their tents and every living thing which was theirs, before the eyes of all Israel:

1 Chronicles 5:1-2

And the sons of Reuben, the oldest son of Israel, (for he was the oldest son, but, because he made his father's bride-bed unclean, his birthright was given to the sons of Joseph, the son of Israel; but he is not to be given the place of the oldest.

Treasury of Scripture Knowledge

Summary

Now Korah, the son of Izhar, the son of Kohath, the son of Levi, and Dathan and Abiram, the sons of Eliab, and On, the son of Peleth, sons of Reuben, took men:

General references

Bible References

Sons of reuben

Genesis 49:3
Reuben, you are my oldest son, the first-fruit of my strength, first in pride and first in power:
1 Chronicles 5:1
And the sons of Reuben, the oldest son of Israel, (for he was the oldest son, but, because he made his father's bride-bed unclean, his birthright was given to the sons of Joseph, the son of Israel; but he is not to be given the place of the oldest.

General references

Numbers 26:58
These are the families of Levi: the family of the Libnites, the family of the Hebronites, the family of the Mahlites, the family of the Mushites, the family of the Korahites. And Kohath was the father of Amram.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain