and all the cities of Sihon king of the Amorites, who reigned in Heshbon, to the border of the children of Ammon;
Reuben was the most southern of the three eastern tribes, and occupied territory that Israel took from the Amorite king Sihon (15-23). Gad settled in the central section east of Jordan, and occupied much of the region commonly known as Gilead (24-28). The half tribe of Manasseh occupied the northern section east of Jordan, which included part of Gilead along with part of the rich pasture land of Bashan (29-31). The settlement of two and a half tribes east of Jordan instead of in Canaan itself had been approved by Moses (32-33).