1 Kings 2:11

David was king over Israel for forty years: for seven years he was king in Hebron and for thirty-three years in Jerusalem.

David was thirty years old when he became king, and he was king for forty years,

Now David, the son of Jesse, was king over all Israel.

Treasury of Scripture Knowledge

And the days that David reigned over Israel were forty years: seven years reigned he in Hebron, and thirty and three years reigned he in Jerusalem.

David was thirty years old when he became king, and he was king for forty years,

Now David, the son of Jesse, was king over all Israel.