The Lord said; either by himself, the Son of God appearing in a visible shape, which then was usual; or by some prophet whom he raised and sent to this purpose; or by the high priest, who was consulted in the case.
The Amorites; both Sihon and Og, and their people, Num 21, and other kings of the Amorites within Jordan, Jos_10:5.
The children of Ammon were confederate with the Moabites, Jud_3:13,14.