Yes, the sons of Jonadab son of Rechab carried out the command their forefather gave them, but these people have not listened to Me.
The Prophet says nothing new here, but confirms what has been said before; and this he did, that the indignity of the people’s conduct might more fully appear, inasmuch as, on one hand, a mortal man, and he now dead, retained authority over his posterity, having once laid on them a restraint in a matter hard and difficult; while God, on the other hand, effected...
The trial of the Rechabites' constancy was intended but for a sign; now here we have the application of it. I. The Rechabites' observance of their father's charge to them is made use of as an aggravation of the disobedience of the Jews to God. Let them see it and be ashamed. The prophet asks them, in God's name, "Will you not at length receive instruction? Jer 35:13.
Commenting on Jeremiah 35:12-19
Because the son of Jonadab the son of Rechab,.... Here we have the contrast between the Rechabites and the Israelites; the obedience of the one, and the disobedience of the other; the design of which is to aggravate and expose the sin of the Jews, since the former have performed the commandment of their father, which he commanded them; that particular commandment of not drinking...