Judges 11:35 in the King James Version
And it came to pass, when he saw her, that he rent his clothes, and said, Alas, my daughter! thou hast brought me very low, and thou art one of them that trouble me: for I have opened my mouth unto the LORD, and I cannot go back.
Context
34 Jephthah came to Mizpah to his house; and behold, his daughter came out to meet him with tambourines and with dances. She was his only child. Besides her he had neither son nor daughter.
35 When he saw her, he tore his clothes, and said, “Alas, my daughter! You have brought me very low, and you are one of those who trouble me; for I have opened my mouth to the LORD, and I can’t go back.”
36 She said to him, “My father, you have opened your mouth to the LORD; do to me according to that which has proceeded out of your mouth, because the LORD has taken vengeance for you on your enemies, even on the children of Ammon.”