Jeremiah 34:11 New English Translation

¹¹But later^[a] they changed their minds. They took back their male and female slaves that they had freed and forced them to be slaves again.^[b]

Jeremiah 34:11 sn Most commentators are agreed that the incident referred to here occurred during the period of relief from the siege provided by the Babylonians going off to fight against the Egyptians, who were apparently coming to Zedekiah’s aid (compare vv. 21-22 with 37:5, 7). The freeing of the slaves had occurred earlier, under the crisis of the siege, while the people were more responsive to the Lord due to the threat of destruction (cf. v. 15).
Jeremiah 34:11 tn Heb “they had brought them into subjection for male and female slaves.” However, the qualification of “male and female” is already clear from the preceding and is unnecessary to the English sentence.

New English Translation (NET)