Judges 12:6-7

they said, “All right, say ‘Shibboleth.’ ” If he said, “Sibboleth,” because he could not pronounce the word correctly, they seized him and killed him at the fords of the Jordan. Forty-two thousand Ephraimites were killed at that time. Jephthah led Israel six years. Then Jephthah the Gileadite died and was buried in a town in Gilead.