Jephthah is definitely one of the stranger characters in Judges to be used by God–maybe in all of Scripture. But he has more connections to Jesus than many realize. And that sacrificing his daughter thing . . . maybe don’t jump on that bandwagon too quickly. Would the writer of Hebrews really include the name of a man who sacrificed his own child to Yahweh as someone to immulate when God is so vocal about his absolute condemnation of such a practice in multiple OT contexts? The episode and this article might help make a little more sense of this mystery.