1 Samuel 8:12
"And he will appoint him captains over thousands, and captains over fifties; and will set them to ear his ground, and to reap his harvest, and to make his instruments of war, and instruments of his chariots."
Cross References (ranked by relevance)
1 Samuel 22:7
Then Saul said unto his servants that stood about him, Hear now, ye Benjamites; will the son of Jesse give every one of you fields and vineyards, and make you all captains of thousands, and captains of hundreds;
1 Kings 4:7
And Solomon had twelve officers over all Israel, which provided victuals for the king and his household: each man his month in a year made provision.