Shallum the son of Kore, the son of Ebiasaph, the son of Korah, and his brothers, of his father's house, the Korahites, were over the work of the service, keepers of the thresholds of the tent: and their fathers had been over the camp of Yahweh, keepers of the entry.
and their fathers being over the host of the Lord; the Levites, who were the Lord's army, and whose service is represented as a warfare, Numbers 4:5