New Revised Standard Version
In alliance with the Ammonites and the Amalekites, he went and defeated Israel; and they took possession of the city of palms.

Contemporary English Version
who had joined forces with the Ammonites and the Amalekites to attack Israel. Eglon and his army captured Jericho.

New American Bible
Taking the Ammonites and Amalek as allies, he went and defeated Israel, taking possession of the City of Palms.

Douay-Rheims Bible
And he joined to him the children of Ammon, and Amalec: and he went and overthrew Israel, and possessed the city of palm trees.

And he joined to him the children of Ammon, and Amalec: and he went and overthrew Israel, and possessed the city of palm trees.

Ammon

Judges 5:14 Out of Ephraim he destroyed them into Amalec, and after him out of Benjamin into thy people, O Amalec: Out of Machir there came down princes, and out of Zabulon they that led the army to fight.

Psalm 83:6 The tabernacle of the Edomites, and the Ishmahelites: Moab, and the Agarens,

the city

Judges 1:16 And the children of the Cinite, the kinsman of Moses, went up from the city of palms, with the children of Juda, into the wilderness of his lot, which is at the south side of Arad, and they dwelt with him.

Deuteronomy 34:3 And the south part, and the breadth of the plain of Jericho the city of palm trees as far as Segor.

Psalm 83:7 Gebal, and Ammon and Amalec: the Philistines, with the inhabitants of Tyre.