Jeremiah 34:3-5 provides the specific fate of Zedekiah — he will be captured but die in peace, detailing what the general judgment here entails.

Jeremiah 34:11 describes the people re-enslaving those they had freed—the act that provokes the judgment announced in 34:21.

Jeremiah 37:5-11 explains why the Babylonian army withdrew—Pharaoh’s intervention—providing context for the threat in 34:21.

Jeremiah 39:6 records the fulfillment: the king of Babylon slaughters Zedekiah's sons and nobles — exactly as prophesied here.

Jeremiah 52:24-27 records the execution of the officials (including priests) that 34:21 says will be handed over—a direct fulfillment.

Jeremiah 37:17 records Zedekiah's private inquiry, and Jeremiah repeats the prophecy that he will be handed to Babylon—confirming the earlier threat.

Jeremiah 52:8 narrates the actual capture of Zedekiah, fulfilling the prophecy of being handed to Babylon.

Jeremiah 22:25 uses nearly identical language ('I will give you into the hand of those who seek your life') but for Jehoiachin, showing a similar judgment formula.

Jeremiah 44:30 applies the same 'given into enemy hands' judgment to Pharaoh Hophra, mirroring Zedekiah's fate.

2 Kings 25:18-21 gives a parallel historical account of the same officials being captured and killed at Riblah.

Ezekiel 17:16 prophesies that Zedekiah will die in Babylon, reinforcing the judgment that he will be handed over to his enemies.

2 Kings 25:6 narrates Zedekiah’s capture and judgment at Riblah, fulfilling the handing-over declared in 34:21.

Lamentations 4:20 laments the capture of 'the LORD's anointed' (Zedekiah), echoing the judgment pronounced in 34:21.