Judges 11:31, 39
Judges 11:31 NIV
whatever comes out of the door of my house to meet me when I return in triumph from the Ammonites will be the LORD’s, and I will sacrifice it as a burnt offering.”
Judges 11:39 NIV
After the two months, she returned to her father, and he did to her as he had vowed. And she was a virgin. From this comes the Israelite tradition





