The children of Israel cried to Yahweh: for he had nine hundred chariots of iron; and twenty years he mightily oppressed the children of Israel.
Now, Moses' father-in-law, his family sort of came with the children of Israel but here this guy's sort of a trader. He was a nark, actually informed on the fact that Sisera was there in Mount Tabor with his army. He let them know. And so Sisera came down with his army, the nine hundred chariots and the whole thing.