The Ammonites also crossed the Jordan to fight against Judah, Benjamin, and the house of Ephraim, and Israel was in deep distress.
Jewish Publication Society of America Version (JPS1917) - Judges 10:9 >And the children of Ammon passed over the Jordan to fight also against Judah, and against Benjamin, and against the house of Ephraim, so that Israel was sore distressed.