Sons of concubines
In Genesis 22:24, this symbolizes people outside the church who worship idols and yet have goodness. (Arcana Coelestia 2868)
In Genesis 25:5, this signifies the spiritual, adopted by the Lord's Divine Human and allotted shares in His spiritual kingdom. (Arcana Coelestia 3246)
In Genesis 35:22, this signifies the profanation of good by faith separated from life. (Arcana Coelestia 4601, Apocalypse Explained 434[16])