I Maccabees 7:8

8 Then the king chose Bacchides, a friend of the king, who ruled beyond the flood, and was a great man in the kingdom, and faithful to the king,

I Maccabees 7:8 In-Context

6 And they accused the people to the king, saying, Judas and his brethren have slain all thy friends, and driven us out of our own land.
7 Now therefore send some man whom thou trustest, and let him go and see what havock he hath made among us, and in the king's land, and let him punish them with all them that aid them.
8 Then the king chose Bacchides, a friend of the king, who ruled beyond the flood, and was a great man in the kingdom, and faithful to the king,
9 And him he sent with that wicked Alcimus, whom he made high priest, and commanded that he should take vengeance of the children of Israel.
10 So they departed, and came with a great power into the land of Judea, where they sent messengers to Judas and his brethren with peaceable words deceitfully.

The Brenton translation of the Septuagint is in the public domain.