Numbers 3:21-23

New International Version

²¹ To Gershon^(A) belonged the clans of the Libnites and Shimeites;^(B) these were the Gershonite clans. ²² The number of all the males a month old or more who were counted was 7,500. ²³ The Gershonite clans were to camp on the west, behind the tabernacle.^(C)