Judges 11:30–39

30 He made a vow to the Lord, saying: If thou wilt deliver the children of Ammon into my hands,

31 Whosoever shall first come forth out of the doors of my house, and shall meet me, when I return in peace from the children of Ammon, the same will I offer a holocaust to the Lord.

32 And Jephte passed over to the children of Ammon to fight against them: and the Lord delivered them into his hands.

33 And he smote them from Aroer till you come to Mennith, twenty cities, and as far as Abel, which is set with vineyards, with a very great slaughter: and the children of Ammon were humbled by the children of Israel.

34 And when Jephte returned into Maspha, to his house, his only daughter met him with timbrels and with dances: for he had no other children.

35 And when he saw her, he rent his garments, and said: Alas! my daughter, thou hast deceived me, and thou thyself art deceived: for I have opened my mouth to the Lord, and I can do no other thing.

36 And she answered him: My father, if thou hast opened thy mouth to the Lord, do unto me whatsoever thou hast promised, since the victory hath been granted to thee, and revenge of thy enemies.

37 And she said to her father: Grant me only this, which I desire: Let me go, that I may go about the mountains for two months, and may bewail my virginity with my companions.

38 And he answered her: Go. And he sent her away for two months. And when she was gone with her comrades and companions, she mourned her virginity in the mountains.

39 And the two months being expired, she returned to her father, and he did to her as he had vowed, and she knew no man. From thence came a fashion in Israel, and a custom has been kept: