Exodus 6:19 ASV

¹⁷  The sons of Gershon: Libni and Shimei, according to their families.

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.

¹⁹  And the sons of Merari: Mahli and Mushi. These are the families of the Levites according to their generations.

²⁰  And Amram took him Jochebed his father's sister to wife; and she bare him Aaron and Moses: and the years of the life of Amram were a hundred and thirty and seven years.

²¹  And the sons of Izhar: Korah, and Nepheg, and Zichri.