The Reubenites, the Gadites, and the half-tribe of Manasseh crossed over before the Israelites, armed for battle as Moses had instructed them.
Jewish Publication Society of America Version (JPS1917) - Joshua 4:12 >And the children of Reuben, and the children of Gad, and the half-tribe of Manasseh, passed on armed before the children of Israel, as Moses spoke unto them;