Ezra 2:15 lists the sons of Adin who returned from exile to Jerusalem. This verse highlights the importance of genealogy and lineage among the returning exiles, emphasizing the restoration of the people of Israel to their homeland. It reflects the meticulous record-keeping and attention to detail in documenting the families that resettled in Judah after the Babylonian captivity. The mention of Adin's descendants signifies the continuity of God's covenant with His people and the fulfillment of His promise to bring them back to the land of their forefathers.