וַיַּעֲבֹ֥ר יִפְתָּ֛ח אֶל־בְּנֵ֥י עַמּ֖וֹן לְהִלָּ֣חֶם בָּ֑ם וַיִתְּנֵ֥ם יְהוָ֖ה בְּיָדֽוֹ׃
So Jephthah passed over unto the children of Ammon to fight against them; and the LORD delivered them into his hand.
Read halakhic rulings (Jewish law) on Judges 11:32: and classical halakhic sources.