Jer 34:10

וַיִּשְׁמְעוּ֩ כָל־הַשָּׂרִ֨ים וְכָל־הָעָ֜ם אֲשֶׁר־בָּ֣אוּ בַבְּרִ֗ית לְ֠שַׁלַּח אִ֣ישׁ אֶת־עַבְדּ֞וֹ וְאִ֤ישׁ אֶת־שִׁפְחָתוֹ֙ חָפְשִׁ֔ים לְבִלְתִּ֥י עֲבָד־בָּ֖ם ע֑וֹד וַֽיִּשְׁמְע֖וּ וַיְשַׁלֵּֽחוּ׃

So all the officials and all the people who entered into this covenant agreed that they would free their menservants and maidservants and no longer hold them in bondage. They obeyed and released them,