Judges 12:5

And the Gileadites took the passages of Jordan before the Ephraimites, the fords which led to the country of Ephraim; and it was so, that when those Ephraimites which were escaped, who had not been killed in battle, said, Let me go over, that the men of Gilead said unto him, Art thou an Ephraimite? For they did not want to slay any innocent persons. If he said, Nay;