Judges 11:26-30

While Israel dwelt in Heshbon and her towns, and in Aroer and her towns, and in all the cities that be along by the coasts of Arnon, three hundred years? why therefore did ye not recover them within that time?

Wherefore I have not sinned against thee, but thou doest me wrong to war against me: the LORD the Judge be judge this day between the children of Israel and the children of Ammon.

Howbeit the king of the children of Ammon hearkened not unto the words of Jephthah which he sent him.

Then the Spirit of the LORD came upon Jephthah, and he passed over Gilead, and Manasseh, and passed over Mizpeh of Gilead, and from Mizpeh of Gilead he passed over unto the children of Ammon.

And Jephthah vowed a vow unto the LORD, and said, If thou shalt without fail deliver the children of Ammon into mine hands,