The Levites: had Chiefs or officers Over Them

…and the leader of the families of the Gershonites was Eliasaph son of Lael.

…and the leader of the families of the Kohathites was Elizaphan son of Uzziel.

The leader of the families of the Merarites was Zuriel son of Abihail; they were to camp on the north side of the tabernacle.

Then he gathered together the descendants of Aaron and the Levites: …

Additionally, Conaniah and his brothers Shemaiah and Nethanel, as well as Hashabiah, Jeiel, and Jozabad, officers of the Levites, contributed to the Levites 5,000 Passover offerings and 500 bulls.

Guard them carefully until you weigh them out in the chambers of the house of the LORD in Jerusalem before the leading priests, Levites, and heads of the Israelite families.”