And they who were numbered of the families of the sons of Merari, by their families by their ancestral house;
These, are they who were numbered of the families of the sons of Gershon, all who might labour in the tent of meeting, whom Moses and Aaron did number, at the bidding of Yahweh.
from thirty years old and upwards, even unto fifty years old,—all that might enter the host to labour in the tent of meeting;
son of Mahli, son of Mushi, son of Merari, son of Levi.
both the registering of the priests, by their ancestral houses, and the Levites, from twenty years old and upward,—in their watches, in their courses;