Bamidbar 4:41-43

Orthodox Jewish Bible

⁴¹ These are they that were numbered of the Mishpekhot Bnei Gershon, of all that might do service in the Ohel Mo’ed whom Moshe and Aharon did number according to the command of Hashem.

⁴² And those that were numbered of the Mishpekhot Bnei Merari, throughout their mishpekhot, by the bais of their avot,

⁴³ From shloshim shanah and upward even until chamishim shanah shalt thou number them, every one that entereth into the tz’va, to do the work of the Avodah in the Ohel Mo’ed,