I Maccabees 11:42

42 So Demetrius sent unto Jonathan, saying, I will not only do this for thee and thy people, but I will greatly honour thee and thy nation, if opportunity serve.

I Maccabees 11:42 In-Context

40 And lay sore upon him to deliver him this young Antiochus, that he might reign in his father's stead: he told him therefore all that Demetrius had done, and how his men of war were at enmity with him, and there he remained a long season.
41 In the mean time Jonathan sent unto king Demetrius, that he would cast those of the tower out of Jerusalem, and those also in the fortresses: for they fought against Israel.
42 So Demetrius sent unto Jonathan, saying, I will not only do this for thee and thy people, but I will greatly honour thee and thy nation, if opportunity serve.
43 Now therefore thou shalt do well, if thou send me men to help me; for all my forces are gone from me.
44 Upon this Jonathan sent him three thousand strong men unto Antioch: and when they came to the king, the king was very glad of their coming.

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