Judges 11:11-12

¹¹Then Jephthah went with the elders of Gilead, and the people made him head and captain over them: and Jephthah uttered all his words before the LORD in Mizpeh.

¹²And Jephthah sent messengers to the king of the children of Ammon, saying, What hast thou to do with me, that thou hast come against me to fight in my land?