Izhar.

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

Numbers 3:19
The sons of Kohath by their clans were Amram, Izhar, Hebron, and Uzziel.

Izehar.

1 Chronicles 16:1
So they brought the ark of God and placed it inside the tent that David had pitched for it. And they presented burnt offerings and peace offerings before God.

Kohath.

Genesis 46:11
The sons of Levi: Gershon, Kohath, and Merari.

Levi.

Genesis 29:34
Once again Leah conceived and gave birth to a son, and she said, "Now at last my husband will become attached to me, because I have borne him three sons." So he was named Levi.

Israel.

Genesis 32:28
Then the man said, "Your name will no longer be Jacob, but Israel, because you have struggled with God and with men, and you have prevailed."