Deuteronomy 2:32

32Then aSihon came out against us, he and all his people, to battle at Jahaz.

Judges 11:20

20but Sihon did not trust Israel to pass through his territory, so Sihon gathered all his people together and encamped at Jahaz and fought with Israel.

Jeremiah 48:21

21Judgment has come upon bthe tableland, upon Holon, and cJahzah, and Mephaath,

Jeremiah 48:34

34 dFrom the outcry at Heshbon even to Elealeh, as far as Jahaz they utter their voice, from Zoar to eHoronaim and Eglath-shelishiyah. For the waters of Nimrim also have become desolate.
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