Children of Transgression

Because the watchmen (prophets) were lax, evil came in like a flood. These evil times were under Hezekiah's apostate son, Manasseh, whose violent persecutions are described in the first verses of this chapter (2 Kings 21:16). Under his reign the worship of Molech was also revived. Manasseh sacrificed his own son (2 Kings 21:6).
The reference to offspring of the adulterer was used to describe illegitimate children of immoral unions, common in Israel's vile worship of the Baals and Asherah. The reference is not specifically of innocent children produced in such unions but of those who practiced the fertility rites of the Canaanite religions. Interestingly, the people of Jesus' day protested that they were not the offspring of cultic immorality (John 8:41).
. Isaiah describes what hypocritical religion looks like. We need to look at it very carefully because a lot of modern Christianity follows the same corrupt principles. Also, we must examine our own hearts because the deceiver would love to divert us from the way of righteousness and peace into the way of the flesh, which is far more alluring and pleasing to our carnal natures.