This verse lists the descendants of Gad, one of the twelve tribes of Israel, through his sons Zephon and Haggi. It serves as a record of the genealogy of the tribe of Gad, highlighting the importance of lineage and heritage among the Israelites. By documenting the descendants, the verse preserves the history and identity of God's chosen people, reinforcing the significance of each tribe within the nation of Israel. This genealogical record also fulfills the promise of God to Abraham to make his descendants into a great nation, showcasing the faithfulness of God in fulfilling His covenant.