Judges 12:6-7

then they would say to him, “Then say, ‘Shibboleth’!” And he would say, “Sibboleth,” for he could not pronounce it right. Then they would take him and kill him at the fords of the Jordan. There fell at that time forty-two thousand Ephraimites. And Jephthah judged Israel six years. Then Jephthah the Gileadite died and was buried in among the cities of Gilead.