This verse lists the descendants of Aaron, the first high priest of Israel, highlighting the importance of the priestly lineage in serving God's people. It emphasizes the continuity and faithfulness of God's covenant with the Levites, who were entrusted with the sacred duties of the tabernacle. The genealogy mentioned here underscores the significance of heritage and lineage in the Old Testament priesthood, demonstrating God's faithfulness in preserving the priestly line for worship and service.