Joshua 22:9-12 - Eastern Tribes Build An Altar
9 And the sons of Reuben, and the sons of Gad, and the half of the tribe of Manasseh, turn back and go from the sons of Israel out of Shiloh, which is in the land of Canaan, to go unto the land of Gilead, unto the land of their possession, in which they have possession, according to the command of Jehovah, by the hand of Moses; 10 and they come in unto the districts of the Jordan, which are in the land of Canaan, and the sons of Reuben, and the sons of Gad, and the half of the tribe of Manasseh, build there an altar by the Jordan -- a great altar for appearance.
11 And the sons of Israel hear, saying, 'Lo, the sons of Reuben, and the sons of Gad, and the half of the tribe of Manasseh, have built the altar over-against the land of Canaan, on the districts of the Jordan, at the passage of the sons of Israel.' 12 And the sons of Israel hear, and all the company of the sons of Israel is assembled at Shiloh, to go up against them to war;