Numbers 4:28
This is the service of the clans of the sons of the Gershonites in the tent of meeting, and their guard duty is to be under the direction of Ithamar the son of Aaron the priest.
Numbers 4:33
This is the service of the clans of the sons of Merari, the whole of their service in the tent of meeting, under the direction of Ithamar the son of Aaron the priest."
1 Corinthians 12:5-6
and there are varieties of service, but the same Lord;
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