The sons of Kohath were Amram, Izhar, Hebron, and Uzziel. Kohath lived 133 years.
Jewish Publication Society of America Version (JPS1917) - Exodus 6:18 >And the sons of Kohath: Amram, and Izhar, and Hebron, and Uzziel. And the years of the life of Kohath were a hundred thirty and three years.