Those who escaped the sword were carried by Nebuchadnezzar into exile in Babylon, and they became servants to him and his sons until the kingdom of Persia came to power.
Jewish Publication Society of America Version (JPS1917) - 2 Chronicles 36:20 >And them that had escaped from the sword carried he away to Babylon; and they were servants to him and his sons until the reign of the kingdom of Persia;