Numbers 21:23

20 and from Bamoth in the valley which [is] in the field of Moab [to] the top of Pisgah, which hath looked on the front of the wilderness.

21 And Israel sendeth messengers unto Sihon king of the Amorite, saying,

22 `Let me pass through thy land, we do not turn aside into a field, or into a vineyard, we do not drink waters of a well; in the king`s way we go, till that we pass over thy border.`

23 And Sihon hath not suffered Israel to pass through his border, and Sihon gathereth all his people, and cometh out to meet Israel into the wilderness, and cometh in to Jahaz, and fighteth against Israel.

24 And Israel smiteth him by the mouth of the sword, and possesseth his land from Arnon unto Jabbok -- unto the sons of Ammon; for the border of the sons of Ammon [is] strong.

25 And Israel taketh all these cities, and Israel dwelleth in all the cities of the Amorite, in Heshbon, and in all its villages;

26 for Heshbon is a city of Sihon king of the Amorite, and he hath fought against the former king of Moab, and taketh all his land out of his hand, unto Arnon;