Numbers 32:29
If the children of Gad, and the children of Ruben pass with you over the Jordan, all armed for war before the Lord, and the land be made subject to you: give them Galaad in possession.If the children of Gad, and the children of Ruben pass with you over the Jordan, all armed for war before the Lord, and the land be made subject to you: give them Galaad in possession.