Your wives, children, and livestock may stay in the land that Moses gave you east of the Jordan River. However, all your best soldiers must march in battle formation ahead of your relatives. You must help your relatives
So the tribes of Reuben and Gad and half of the tribe of Manasseh left the rest of the Israelites at Shiloh in Canaan. They returned to Gilead. This was their own possession which they had captured as the Lord had instructed them through Moses.