Exodus 6:16-19

Levi lived one hundred thirty-seven years. These are the names of his sons according to their family history: Gershon, Kohath, and Merari. Gershon had two sons, Libni and Shimei, with their families. Kohath lived one hundred thirty-three years. The sons of Kohath were Amram, Izhar, Hebron, and Uzziel. The sons of Merari were Mahli and Mushi. These are the family groups of Levi, according to their family history.