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16These are the names of the sons of Levi according to their generations: Gershon, Kohath, and Merari. And the years of the life of Levi were one hundred and thirty-seven. 17The sons of Gershon were Libni and Shimi according to their families. 18And the sons of Kohath were Amram, Izhar, Hebron, and Uzziel. And the years of the life of Kohath were one hundred and thirty-three. 19The sons of Merari were Mahli and Mushi. These are the families of Levi according to their generations.
Exodus 6:16-19 (NKJV)