This verse lists the descendants of the Levites who served as priests in the tabernacle and later in the temple. It emphasizes the importance of the Levitical priesthood in carrying out the worship and sacrificial system established by God. The genealogy highlights the continuity and faithfulness of the Levites in their sacred duties across generations. By documenting these lineages, the verse underscores the significance of heritage and tradition in the service of God, ensuring the orderly and reverent worship of the Lord.