John Gill Commentary 1 Chronicles 12:16

"And there came of the children of Benjamin and Judah to the stronghold unto David." — 1 Chronicles 12:16 (ASV)

And there came of the men of Benjamin, and of Judah
Besides those before mentioned, (1 Chronicles 12:2) ,

to the hold unto David ;
the same as in (1 Chronicles 12:8) .