Exodus 6:16-20

16And these are the names of the sons of Levi according to their generations; Gershon, and Kohath, and Merari: and the years of the life of Levi were an hundred thirty and seven years. 17The sons of Gershon; Libni, and Shimi, according to their families. 18And 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. 19And the sons of Merari; Mahali and Mushi: these are the families of Levi according to their generations. 20And 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 an hundred and thirty and seven years.