1 Chronicles 23:3

Contemporary English Version (Anglicised) 2012

He then counted the Levite men who were at least thirty years old, and the total was thirty-eight thousand.

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Some time later, David called together all of Israel's leaders, priests, and Levites.

These were the clans and families of the tribe of Levi. Those who were twenty years and older were assigned to work at the LORD's temple.

“Levites who are between the ages of twenty-five and fifty can work at my sacred tent. But once they turn fifty, they must retire.