Jeremiah 30:9 New English Translation

⁹But they will be subject to^[a] the Lord their God
and to the Davidic ruler whom I will raise up as king over them.^[b]

Jeremiah 30:9 tn The verb “be subject to” in this verse and “subjugate” are from the same root word in Hebrew. A deliberate contrast is drawn between the two powers that the Israelites will serve.
Jeremiah 30:9 tn Heb “and to David their king, whom I will raise up for them.”sn The Davidic ruler whom I will raise up as king over them refers to a descendant of David who would rule over a regathered and reunited Israel and Judah. He is called “David” in Hos 3:5, Ezek 34:23-24; 37:24-25 and is referred to as a shoot or sprig of Jesse in Isa 11:1, 10, and as a “righteous branch” springing from David (the Davidic line). He is called “David” because he is from the Davidic line and because David is the type of the ideal king whom the prophets anticipated. See further the study notes on 23:5 for this ideal king and for his relation to the NT fulfillment in the person of Jesus the Christ.

New English Translation (NET)