Numbers 3:17 ASV

¹⁵  Number the children of Levi by their fathers' houses, by their families: every male from a month old and upward shalt thou number them.

¹⁶  And Moses numbered them according to the word of Jehovah, as he was commanded.

¹⁷  And these were the sons of Levi by their names: Gershon, and Kohath, and Merari.

¹⁸  And these are the names of the sons of Gershon by their families: Libni and Shimei.

¹⁹  And the sons of Kohath by their families: Amram, and Izhar, Hebron, and Uzziel.