Exodus 6:16-19

16These are the names of the a  sons of Levi according to their generations: Gershon, Kohath, and Merari, the years of the life of Levi being 137 years. 17The b  sons of Gershon: Libni and Shimei, by their clans. 18The c  sons of Kohath: Amram, Izhar, Hebron, and Uzziel, the years of the life of Kohath being 133 years. 19The d  sons of Merari: Mahli and Mushi. These are the clans of the Levites according to their generations.
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