Bamidbar 4:33-35

Orthodox Jewish Bible

³³ This is the Avodat Mishpekhot Bnei Merari, according to all their service, in the Ohel Mo’ed under the direction of Itamar ben Aharon HaKohen.

³⁴ And Moshe and Aharon and the Nasi’ei HaEdah (Leaders of the Congregation) counted the Bnei HaKehati after their mishpekhot, and after the bais of their avot,

³⁵ From shloshim shanah (thirty years old) and upward even until chamishim shanah (fifty years old) shalt thou number them, every one that entereth into the tz’va (holy militia service of Hashem), to do the work of the Avodah in the Ohel Mo’ed;