John Gill Commentary 1 Chronicles 8:28

"These were heads of fathers` [houses] throughout their generations, chief men: these dwelt in Jerusalem." — 1 Chronicles 8:28 (ASV)

These were heads of the fathers, by their generations, chief
[men]
All from (1 Chronicles 8:14) , the sons of Elpaal and their sons:

these dwelt in Jerusalem ;
part of which always belonged to the tribe of Benjamin, see (Joshua 15:63) (18:28) .