Numbers 16:2-3

2and they rose up against Moses, with two hundred and fifty men of the children of Israel, princes of the assembly, summoned to the council, men of renown;

3and they gathered themselves together against Moses and against Aaron, and said to them, It is enough; for all the assembly, all of them are holy, and Jehovah is among them; and why do ye lift up yourselves above the congregation of Jehovah?