Verses with the word marsh in the Apocrypha (2 verses):

1 Maccabees 9:42
So when they had avenged fully the blood of their brother, they turned again to the marsh of Jordan.

1 Maccabees 9:45
For, behold, the battle is before us and behind us, and the water of Jordan on this side and that side, the marsh likewise and wood, neither is there place for us to turn aside.