This verse lists the descendants of Levi, specifically mentioning Elkanah as the son of Jeroham, who was a descendant of Kohath, a son of Levi. Elkanah's lineage is traced back to Moses and Aaron, highlighting the priestly heritage of the Levites. The genealogy presented in this verse serves to establish the historical and religious significance of the Levitical priesthood within the Israelite community. It underscores the importance of lineage and heritage in the service of God, particularly in the context of priestly duties and responsibilities.