Apparently there’s a long-time history lesson here. In Genesis 6:2-4, sons of God therein were the children from the lineage of Seth (keeping purity of God’s truth), while sons of men were of the lineage of Cain (evil men, contaminating God’s truth). NB: after Cain killed Abel, Seth was Adam’s next son, who was good … Continue reading Why is God so concerned about his children marrying unbelievers?