Old Testament readings use the Septuagint , the Scripture the apostles quoted. Masoretic numbering shown for reference.Learn why
LXX

Joshua 12:2

Seon king of the Amorites, who dwelt in Esebon, ruling from Arnon, which is in the valley, on the side of the valley, and half of Galaad as far as Jaboc, the borders of the children of Ammon.

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