Yahweh sold them into the hand of Jabin king of Canaan, who reigned in Hazor; the captain of whose host was Sisera, who lived in Harosheth of the Gentiles.
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.