I Maccabees 9:42

42 So when they had avenged fully the blood of their brother, they turned again to the marsh of Jordan.

I Maccabees 9:42 In-Context

40 Then Jonathan and they that were with him rose up against them from the place where they lay in ambush, and made a slaughter of them in such sort, as many fell down dead, and the remnant fled into the mountain, and they took all their spoils.
41 Thus was the marriage turned into mourning, and the noise of their melody into lamentation.
42 So when they had avenged fully the blood of their brother, they turned again to the marsh of Jordan.
43 Now when Bacchides heard hereof, he came on the sabbath day unto the banks of Jordan with a great power.
44 Then Jonathan said to his company, Let us go up now and fight for our lives, for it standeth not with us to day, as in time past:

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