Bamidbar 4:29

29 As for the Bnei Merari, thou shalt number them after their mishpekhot, by the bais of their avot;

Bamidbar 4:29 Meaning and Commentary

Numbers 4:29

As for the sons of Merari
The third and youngest son of Levi:

thou shalt number them after their families, by the house of their
fathers;
which is the form of expression used of them all; (See Gill on Numbers 4:2).

Bamidbar 4:29 In-Context

27 At the appointment of Aharon and his banim shall be all the Avodat Bnei Gershoni, in all their massa (burdens), and in all their avodah (service); and ye shall appoint unto them in mishmeret (guard duty responsibility) for all their massa (burdens).

28 This is the Avodat Mishpekhot Bnei Gershoni in the Ohel Mo’ed; and misheret (guard duty responsibility) shall be under the direction of Itamar ben Aharon HaKohen.

29 As for the Bnei Merari, thou shalt number them after their mishpekhot, by the bais of their avot;

30 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 Avodat Ohel Mo’ed.

31 And this is their mishmeret (guard) massa (burden), according to all their Avodah (Service, Ministry) in the Ohel Mo’ed; the frames of the Mishkan, and the crossbars thereof, and the posts thereof, and bases thereof,