Charles Ellicott Commentary 2 Samuel 2:3

"And his men that were with him did David bring up, every man with his household: and they dwelt in the cities of Hebron." — 2 Samuel 2:3 (ASV)

Dwelt in the cities of Hebron. —David’s whole force of 600 men, with their families, accompanied him, and made their permanent settlement in the towns of the district to which Hebron gave its name.