Deuteronomy 4:46
“On this side Jordan, in the valley over against Beth–peor, in the land of Sihon king of the Amorites, who dwelt at Heshbon, whom Moses and the children of Israel smote, after they were come forth out of Egypt:”
And this is the law which Moses set before the children of Israel:
These are the testimonies, and the statutes, and the judgments, which Moses spake unto the children of Israel, after they came forth out of Egypt,
On this side Jordan, in the valley over against Beth–peor, in the land of Sihon king of the Amorites, who dwelt at Heshbon, whom Moses and the children of Israel smote, after they were come forth out of Egypt:
And they possessed his land, and the land of Og king of Bashan, two kings of the Amorites, which were on this side Jordan toward the sunrising;
From Aroer, which is by the bank of the river Arnon, even unto mount Sion, which is Hermon,
Counter-Arguments
The strongest case that this verse does not belong in this theme.

Cross-References
“So we abode in the valley over against Beth–peor.”
“So we abode in the valley over against Beth–peor.”
“And they possessed his land, and the land of Og king of Bashan, two kings of the Amorites, which were on this side Jordan toward the sunrising;”
“And Israel sent messengers unto Sihon king of the Amorites, saying,”
“After he had slain Sihon the king of the Amorites, which dwelt in Heshbon, and Og the king of Bashan, which dwelt at Astaroth in Edrei:”