Judges 10:9

9 And the Ammonites crossed the Jordan to fight also against Judah and against Benjamin and against the house of E'phraim; so that Israel was sorely 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 And 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 children of Israel that year. For eighteen years they oppressed all the people of Israel that were beyond the Jordan in the land of the Amorites, which is in Gilead.
9 And the Ammonites crossed the Jordan to fight also against Judah and against Benjamin and against the house of E'phraim; so that Israel was sorely distressed.
10 And the people of Israel cried to the LORD, saying, "We have sinned against thee, because we have forsaken our God and have served the Ba'als."
11 And the LORD said to the people of Israel, "Did I not deliver you from the Egyptians and from the Amorites, from the Ammonites and from the Philistines?
Revised Standard Version of the Bible, copyright 1952 [2nd edition, 1971] by the 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.