NET
4 David and the whole Israelite army advanced to Jerusalem (that is, Jebus). (The Jebusites, the land’s original inhabitants, lived there.)
Darby
4 And David and all Israel went to Jerusalem, which is Jebus; where the Jebusites were, the inhabitants of the land.
KJV
4 And David and all Israel went to Jerusalem, which [is] Jebus; where the Jebusites [were], the inhabitants of the land.