“Where are you from?” We often use that question to get to know someone better. But for many of us, the answer is complicated. Sometimes we don’t want to share all the details.

In the book of Judges, Jephthah might not have wanted to answer that question at all. His half-brothers had chased him out of his hometown of Gilead for his “questionable” origins. “You are the son of another woman,” they declared (Judges 11:2). The text says starkly, “His mother was a prostitute” (v. 1).

But Jephthah was a natural leader, and when a hostile tribe picked a fight with Gilead,…