What does 1 Chronicles 6:71 mean?

The Gershonite families got Golan in Bashan and Ashtaroth, both with their fields, from the half-tribe of Manasseh. 1 Chronicles 6:71 - Modern Text Bible

(The Gershonites, another Levite group, received towns in the region of Bashan, which was part of Manasseh's territory.)