Ezra 2:12 lists the sons of Elam 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 Elam's descendants signifies the diverse backgrounds of those who journeyed back to rebuild the temple and reestablish their community in obedience to God's call.