18And these are the names of the sons of Gershon by their families; Libni, and Shimei. 19And the sons of Kohath by their families; Amram, and Izehar, Hebron, and Uzziel. 20And the sons of Merari by their families; Mahli, and Mushi. These are the families of the Levites according to the house of their fathers. 21Of Gershon was the family of the Libnites, and the family of the Shimites: these are the families of the Gershonites.22Those 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. 23The families of the Gershonites shall pitch behind the tabernacle westward. 24And the chief of the house of the father of the Gershonites shall be Eliasaph the son of Lael.