From that year they harassed and oppressed the children of Israel for eighteen years--all the children of Israel who were on the other side of the Jordan in the land of the Amorites, in Gilead.
Judges 10:8
Surrounding context
10:7 So the anger of the LORD was hot against Israel; and He sold them into the hands of the Philistines and into the hands of the people of Ammon.
10:8 From that year they harassed and oppressed the children of Israel for eighteen years--all the children of Israel who were on the other side of the Jordan in the land of the Amorites, in Gilead.
10:9 Moreover the people of Ammon crossed over the Jordan to fight against Judah also, against Benjamin, and against the house of Ephraim, so that Israel was severely distressed.