This verse lists the descendants of Nebo who were among those who had married foreign women and later repented by sending their foreign wives and children away. It highlights the importance of obedience to God's commands, even when it requires difficult decisions and sacrifices. The actions of these individuals demonstrate their commitment to following God's law and maintaining the purity of their faith community. Their example serves as a reminder of the need for repentance and the restoration of holiness in the midst of disobedience.