Hear ye this, O house of Jacob, who are (a) called by the name of Israel, and have come forth out of (b) the waters of Judah, who swear by the name of the LORD, and make mention of the God of Israel, [but] not in truth, nor in righteousness.
(a) He detects their hypocrisy who claimed to be Israelites, but were not so.
(b) Meaning, the fountain and stock.