Numbers 2:32-34

New Revised Standard Version Catholic Edition

³² This was the enrollment of the Israelites by their ancestral houses; the total enrollment in the camps by their companies was six hundred three thousand five hundred fifty. ³³ Just as the Lord had commanded Moses, the Levites were not enrolled among the other Israelites.

³⁴ The Israelites did just as the Lord had commanded Moses: They camped by regiments, and they set out the same way, everyone by clans, according to ancestral houses.