Reuben, Gad, and half of the tribe of Manasseh came to the region of the Jordan that was still in Canaan. They built an altar by the Jordan River. The altar was very large and highly visible.
Then the Lord appeared to Abram and said, “I’m going to give this land to your descendants.” So he built an altar there to the Lord, who had appeared to him.
He moved on to the hills east of Bethel, and he put up his tent—with Bethel on the west and Ai on the east. He also built an altar to the Lord there and worshiped the Lord.
The rest of the Israelites heard about it and said, “See there! Reuben, Gad, and half of the tribe of Manasseh have built an altar at the border of Canaan. It’s in the region near the Jordan River on Israel’s side.”
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.