Joshua 22:7-13 NASB

7 Now to the one half-tribe of Manasseh Moses had given a possession in Bashan, but to the other half Joshua gave a possession among their brothers westward beyond the Jordan. So when Joshua sent them away to their tents, he blessed them,

8 and said to them, "Return to your tents with great riches and with very much livestock, with silver, gold, bronze, iron, and with very many clothes; divide the spoil of your enemies with your brothers."

9 The sons of Reuben and the sons of Gad and the half-tribe of Manasseh returned home and departed from the sons of Israel at Shiloh which is in the land of Canaan, to go to the land of Gilead, to the land of their possession which they had possessed, according to the command of the Lord through Moses.

10 When they came to the region of the Jordan which is in the land of Canaan, the sons of Reuben and the sons of Gad and the half-tribe of Manasseh built an altar there by the Jordan, a large altar in appearance.

11 And the sons of Israel heard it said, "Behold, the sons of Reuben and the sons of Gad and the half-tribe of Manasseh have built an altar at the frontier of the land of Canaan, in the region of the Jordan, on the side belonging to the sons of Israel."

12 When the sons of Israel heard of it, the whole congregation of the sons of Israel gathered themselves at Shiloh to go up against them in war.

13 Then the sons of Israel sent to the sons of Reuben and to the sons of Gad and to the half-tribe of Manasseh, into the land of Gilead, Phinehas the son of Eleazar the priest,