Ezra 2:7 lists the descendants of Elam who returned from exile in Babylon to Jerusalem. This verse highlights the importance of genealogy and lineage in the Jewish culture, showing the meticulous record-keeping of the returning exiles. It emphasizes the faithfulness of God in preserving the remnant of His people and fulfilling His promise to restore them to their land. The inclusion of specific names in this verse serves as a reminder of God's faithfulness to His covenant with the descendants of Abraham, Isaac, and Jacob.