This refers to the descendants of Gershon. See how you translated this in [Numbers 3:21](../03/21.md).
# the covering of sea cow skin that is on it
This is an outer covering that is placed on top of the tent of meeting's covering. AT: "the covering of sea cow skin that is placed on top of that" or "the outer covering made of sea cow skin" (See: [[rc://en/ta/man/translate/figs-explicit]])