13. because every firstborn is mine. When I struck down all the firstborn in the land of Egypt, I consecrated to me every firstborn in Israel, human being and beast alike. They belong to me; I am the Lord.
14. The Lord said to Moses in the wilderness of Sinai:
15. Enroll the Levites by their ancestral houses and clans, enrolling every male of a month or more.
16. Moses, therefore, enrolled them at the direction of the Lord, just as the Lord had charged.
17. These were the sons of Levi by name: Gershon, Kohath and Merari.
18. These were the names of the sons of Gershon, by their clans: Libni and Shimei.