Samuel
Judges 11:18BSB·traditional attribution

Then Israel traveled through the wilderness and bypassed the lands of Edom and Moab. They came to the east side of the land of Moab and camped on the other side of the Arnon. But they did not enter the territory of Moab, since the Arnon was its border.

Matthew Henry Presbyterian @wholebiblehenry

We have here the treaty between Jephthah, now judge of Israel, and the king of the Ammonites (who is not named), that the controversy between the two nations might, if possible, be accommodated without the effusion of blood. I. Jephthah, as one having authority, sent to the king of Ammon, who in this war was the aggressor, to demand his reasons for invading the land...

Commenting on Judges 11:12-28

John Gill Reformed Baptist @doctorgill

And Israel sent messengers unto Sihon king of the Amorites, the king of Heshbon,.... Which was his royal city, where he had his palace, and kept his court, and is therefore particularly mentioned; and the rather, because he had taken it from the Moabites, and was part of that land now in dispute; and this Sihon was not only in possession of, when Israel sent...

Jamieson-Fausset-Brown Reformed @jfbcommentary

HIS EMBASSY TO THE KING OF AMMON. (Jdg. 11:12-28) Jephthah sent messengers unto the king of the children of Ammon--This first act in his judicial capacity reflects the highest credit on his character for prudence and moderation, justice and humanity.

Commenting on Judges 11:12-28