1CH 9:19

19 And Shallum Ben Kore Ben Evyasaph Ben Korach and his brethren of the bais aviv, the Korchim, were over the work of the avodah, shomrei hasapim laOhel [(keepers of the thresholds of the Tent)]; and avoteihem, being over the Machaneh Hashem, were shomrim of the entrance.