It happened at the end of two months, that she returned to her father, who did with her according to his vow which he had vowed: and she was a virgin. It was a custom in Israel,
c.    This could be the first human sacrifice the Israelites offered that God recorded in Scripture. The king of Moab later offered his crown prince as a human sacrifice to assure victory in battle, so this pagan practice may have influenced Jephthah (cf. 2 Kings 3:27).