Josué 4:12

12 The men of Reuben, Gad and the half-tribe of Manasseh crossed over, ready for battle, in front of the Israelites, as Moses had directed them.

12 And the children of Reuben, and the children of Gad, and the half-tribe of Manasseh, passed over armed before the children of Israel, as Moses spake unto them: