John Gill Commentary Joshua 19:3

"and Hazar-shual, and Balah, and Ezem," — Joshua 19:3 (ASV)

And Hazarshual (See Gill on Joshua 15:28);

and Balah, and Azem; of these places (See Gill on Joshua 15:29); for Balah is the same with Baalah there, and with Bilhah (1 Chronicles 4:29) ; and Azem with Ezem there.