Judges 10:9

9 The Ammonites also crossed the Jordan to fight against Judah and against Benjamin and against the house of Ephraim; so that Israel was greatly distressed.

Judges 10:9 Meaning and Commentary

Judges 10:9

Moreover, the children of Ammon passed over Jordan
Not content with the oppression of the tribes on the other side Jordan, which had continued eighteen years, they came over Jordan into the land of Canaan to ravage that, and bring other of the tribes into subjection to them, particularly the three next mentioned, which lay readiest for them, when they were come over Jordan:

to fight also against Judah, and against Benjamin, and against the
house of Ephraim
who lay to the south and the southeast of the land of Canaan, and were the first the Ammonites had to fight with and subdue, when they had crossed Jordan to the east of it:

so that Israel was sore distressed;
by the Ammonites in the east, threatening those three tribes, mentioned, and the Philistines on the west, who gave disturbance to the tribes that lay nearest them, as Asher, Zebulun, Naphtali, Issachar, and Dan; and this distress was begun the same year in different parts, by different enemies.

Judges 10:9 In-Context

7 So the anger of the Lord was kindled against Israel, and he sold them into the hand of the Philistines and into the hand of the Ammonites,
8 and they crushed and oppressed the Israelites that year. For eighteen years they oppressed all the Israelites that were beyond the Jordan in the land of the Amorites, which is in Gilead.
9 The Ammonites also crossed the Jordan to fight against Judah and against Benjamin and against the house of Ephraim; so that Israel was greatly distressed.
10 So the Israelites cried to the Lord, saying, "We have sinned against you, because we have abandoned our God and have worshiped the Baals."
11 And the Lord said to the Israelites, "Did I not deliver you from the Egyptians and from the Amorites, from the Ammonites and from the Philistines?
New Revised Standard Version Bible, copyright 1989, Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.