Read Exodus 6:18 Using Other Translations
And the sons of Kohath; Amram, and Izhar, and Hebron, and Uzziel: and the years of the life of Kohath were an hundred thirty and three years.
The sons of Kohath: Amram, Izhar, Hebron, and Uzziel, the years of the life of Kohath being 133 years.
The descendants of Kohath included Amram, Izhar, Hebron, and Uzziel. (Kohath lived to be 133 years old.)