Judges 11:35

And it came to pass, when he saw her, that he tore his clothes, and said, "Alas, my daughter! You have brought me very low! You are among those who trouble me! For I have given my word to the LORD, and I cannot go back on it."

Surrounding context

11:34 When Jephthah came to his house at Mizpah, there was his daughter, coming out to meet him with timbrels and dancing; and she was his only child. Besides her he had neither son nor daughter.

11:35 And it came to pass, when he saw her, that he tore his clothes, and said, "Alas, my daughter! You have brought me very low! You are among those who trouble me! For I have given my word to the LORD, and I cannot go back on it."

11:36 So she said to him, "My father, if you have given your word to the LORD, do to me according to what has gone out of your mouth, because the LORD has avenged you of your enemies, the people of Ammon."

Translation and sources