Judges 6:3-5
And so it was, when Israel had sown, that the Midianites came up, and the Amalekites, and the children of the east, even they came up against them;
Torrey's Topical Textbook—AKJV

Judges 7:12
And the Midianites and the Amalekites and all the children of the east lay along in the valley like grasshoppers for multitude; and their camels were without number, as the sand by the sea side for multitude.
Torrey's Topical Textbook—AKJV