Find out how many men between the ages of thirty and fifty are in the two Levite clans of Gershon. Count only those who are able to work at the sacred tent.
Gershon's sons were Libni and Shimei.
The two Gershon clans were the Libnites and Shimeites,
under the leadership of Eliasaph son of Lael.
The LORD said to Moses: