2 Chronicles 36:20-21
2 Chronicles 36:20-21 ESV
He took into exile in Babylon those who had escaped from the sword, and they became servants to him and to his sons until the establishment of the kingdom of Persia, to fulfill the word of the LORD by the mouth of Jeremiah, until the land had enjoyed its Sabbaths. All the days that it lay desolate it kept Sabbath, to fulfill seventy years.