Jepthah made a vow that whatever came out of his house first would be sacrificed to the LORD. (This is actually pretty strange; what other object in his house can get out by itself?) Nevertheless, ...
Judges chapter 11 tells of the vow that Yiftach makes to God -- if he is successful in battle he will offer up to God the first thing that comes out of the door of his house to greet him. As we know, ...