2 Samuel 2:1, 3, 11

So it happened after this that David inquired of the LORD, saying, “Shall I go up into one of the cities of Judah?” And the LORD said to him, “Go up.” David asked, “Where shall I go?” And He said, “To Hebron.”

And David brought up his men who were with him, each one with his household; and they lived in the cities of Hebron.

And the time that David was king in Hebron over the house of Judah was seven years and six months.