Numbers 4:34-36

New Revised Standard Version, Anglicised

Census of the Levites

³⁴ So Moses and Aaron and the leaders of the congregation enrolled the Kohathites, by their clans and their ancestral houses, ³⁵ from thirty years old up to fifty years old, everyone who qualified for work relating to the tent of meeting; ³⁶ and their enrolment by clans was two thousand seven hundred and fifty.