This verse lists the descendants of the Levites, focusing on the lineage of Samuel the prophet. It highlights the importance of genealogy and lineage in the Old Testament, particularly among the priestly and Levitical families. By tracing Samuel's ancestry back to Levi, the verse establishes his credibility and authority as a prophet and judge in Israel. This genealogical record also serves to honor the Levites and their role in the worship and service of God in the tabernacle and temple.