Numbers 3:22 ASV

²⁰  And the sons of Merari by their families: Mahli and Mushi. These are the families of the Levites according to their fathers' houses.

²¹  Of Gershon was the family of the Libnites, and the family of the Shimeites: these are the families of the Gershonites.

²²  Those that were numbered of them, according to the number of all the males, from a month old and upward, even those that were numbered of them were seven thousand and five hundred.

²³  The families of the Gershonites shall encamp behind the tabernacle westward.

²⁴  And the prince of the fathers' house of the Gershonites shall be Eliasaph the son of Lael.