1 Chronicles 9:17-32
And the porters were, Shallum, and Akkub, and Talmon, and Ahiman, and their brothers: Shallum was the chief;
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2 Chronicles 34:13
Also they were over the bearers of burdens, and were overseers of all that worked the work in any manner of service: and of the Levites there were scribes, and officers, and porters.
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2 Chronicles 35:15
And the singers the sons of Asaph were in their place, according to the commandment of David, and Asaph, and Heman, and Jeduthun the king's seer; and the porters waited at every gate; they might not depart from their service; for their brothers the Levites prepared for them.
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