Numbers 3:23 in the King James Version
The families of the Gershonites shall pitch behind the tabernacle westward.
Context
22 Those who were counted of them, according to the number of all the males from a month old and upward, even those who were counted of them were seven thousand five hundred.
23 The families of the Gershonites shall encamp behind the tabernacle westward.
24 Eliasaph the son of Lael shall be the prince of the fathers’ house of the Gershonites.