Numbers 3:22-24

Young's Literal Translation

²² Their numbered ones, in number, every male from a son of a month and upward, their numbered ones [are] seven thousand and five hundred.

²³ The families of the Gershonite, behind the tabernacle, do encamp westward.

²⁴ And the prince of a father's house for the Gershonite [is] Eliasaph son of Lael.