I Maccabees 3:32

32 So he left Lysias, a nobleman, and one of the blood royal, to oversee the affairs of the king from the river Euphrates unto the borders of Egypt:

I Maccabees 3:32 In-Context

30 He feared that he should not be able to bear the charges any longer, nor to have such gifts to give so liberally as he did before: for he had abounded above the kings that were before him.
31 Wherefore, being greatly perplexed in his mind, he determined to go into Persia, there to take the tributes of the countries, and to gather much money.
32 So he left Lysias, a nobleman, and one of the blood royal, to oversee the affairs of the king from the river Euphrates unto the borders of Egypt:
33 And to bring up his son Antiochus, until he came again.
34 Moreover he delivered unto him the half of his forces, and the elephants, and gave him charge of all things that he would have done, as also concerning them that dwelt in Juda and Jerusalem:

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