These are the heads of their fathers’ houses. The sons of Reuben the firstborn of Israel: Hanoch, and Pallu, Hezron, and Carmi; these are the families of Reuben.
Their border was from Aroer, that is on the edge of the valley of the Arnon, and the city that is in the middle of the valley, and all the plain by Medeba;
Now the LORD your God has given rest to your brothers, as he spoke to them. Therefore now return and go to your tents, to the land of your possession, which Moses the servant of the LORD gave you beyond the Jordan.
But Sihon didn’t trust Israel to pass through his border; but Sihon gathered all his people together, and encamped in Jahaz, and fought against Israel.