Daniel 9:1

English Standard Version

1 In the first year of Darius the son of Ahasuerus, by descent a Mede, who was made king over the realm of the Chaldeans— (Da5:30; Da5:31; Da8:20; Da11:1)

New International Version

1 In the first year of Darius son of Xerxes[1] (a Mede by descent), who was made ruler over the Babylonian[2] kingdom—

New Int. Readers Version

1 It was the first year that Darius was king of Babylonia. He was from Media and was the son of Xerxes.

King James Version

1 In the first year of Darius the son of Ahasuerus, of the seed of the Medes, which was made king over the realm of the Chaldeans;