Numbers 4:28
This is the service of the families of the sons of Gershon in the tent of meeting, and their charge shall be under the hand of Ithamar the son of Aaron the priest.
Numbers 4:33
This is the service of the families of the sons of Merari, according to all their service in the tent of meeting, under the hand of Ithamar the son of Aaron the priest.
1 Corinthians 12:5-6
and there are distinctions of services, and the same Lord;
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