New Living Translation
It was the first year of the reign of Darius the Mede, the son of Ahasuerus, who became king of the Babylonians.

American Standard Version
In the first year of Darius the son of Ahasuerus, of the seed of the Medes, who was made king over the realm of the Chaldeans,

Berean Study Bible
In the first year of Darius son of Xerxes, a Mede by descent, who was made ruler over the kingdom of the Chaldeans—

Douay-Rheims Bible
In the first year of Darius the son of Assuerus of the seed of the Medes, who reigned over the kingdom of the Chaldeans:

English Revised Version
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;

King James Bible
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;

World English Bible
In the first year of Darius the son of Ahasuerus, of the seed of the Medes, who was made king over the realm of the Chaldeans,

Young's Literal Translation
In the first year of Darius, son of Ahasuerus, of the seed of the Medes, who hath been made king over the kingdom of the Chaldeans,

Daniel 9:1 Additional Translations ...