Then Jephthah gathered together all the men of Gilead, and fought with Ephraim; and the men of Gilead struck Ephraim, because they said, You are fugitives of Ephraim, you Gileadites, in the midst of Ephraim, [and] in the midst of Manasseh.
Jephthah served as a judge in Israel probably just over the transjordanian tribes. He did so for only six years after his victory over the Ammonites and his appointment by the elders of Gilead, and he apparently failed to achieve any rest for the land.