What does 1 Chronicles 6:62 mean?

The Gershonite families got thirteen towns from the tribes of Issachar, Asher, Naphtali, and the half-tribe of Manasseh in Bashan. 1 Chronicles 6:62 - Modern Text Bible

(Another branch of Levites, the Gershonites, were given towns in different regions, spreading the Levites throughout Israel.)