You shall have my presence with and watchful eye over you no more, but I will send you into captivity to Babylon. as I did your brethren into Assyria. See on 2 Kings 17:6,18. And he terms them here brethren, to let them know that they and Israel proceeded from the same stock, and therefore had no reason to expect but it should fare alike with them, seeing their sins were alike, 2 Kings 21:13,14, &c. Ephraim, viz. the ten tribes, Isaiah 7:1,2, compared; called by this name often, because that was the most numerous and potent of all of them; Jeroboam their first king was of that tribe.
Related Commentaries of Jeremiah 7:15
Jeremiah 7:15
15 And I will cast you out of my sight, as I have cast out all your brethren, even the whole seed of Ephraim.