This verse lists the descendants of Esau, who was also known as Edom. It highlights the genealogy of Esau's family line, tracing his descendants and chiefs. The detailed account serves to document the lineage of Esau, emphasizing the historical significance of his descendants. This genealogy is a reminder of God's faithfulness in fulfilling His promises to the descendants of Esau, as well as the importance of preserving the records of God's chosen people.