Matthew Poole and continuators on Jeremiah 29:32

32 Therefore thus saith the LORD, Behold, I will punish Shemaiah the Nehelamite, and his seed : he shall not have a man to dwell among this people , neither shall he behold the good that I will do for my people, saith the LORD , because he hath taught rebellion against the LORD .

Punishments of this life ordinarily are extended to the Children of sinful Parents, for the Parents sake, who are punished in their Children, being Res parentum, a considerable part of their Parents goods and portion.

He and his whole posterity shall be rooted out;

And neither he nor they shall live to the time of my peoples return from the Captivity of Babylon.

Because by the falshoods which he hath taught, he hath been an instrument to make people disobey the commands of God, we had the same clause, chap. 28.16. such a kind of threatning we find Amos 7.17. denounced by that Prophet against Amaziah the priest of Bethel, forbidding him to prophesie at Bethel, because it was the Kings Court and Chappel. To obstruct the Revelation of Gods will to people, or to publish what is contrary to it, to seduce people from believing it, or yielding obedience, are both crimes that have been, and will be of fatal consequence to them, and their Families, who are so hardy as to incur the guilt of them.