1 Chronicles 11:4-9 - David's Capture Of Jerusalem
4 Later, David and all of Israel marched to Jerusalem (then known as Jebus, where the Jebusites lived when they inhabited the land). 5 The inhabitants of Jebus told David, "You're not coming in here!" Nevertheless, David captured the fortress of Zion, now known as the City of David.
6 David had announced, "Whoever first attacks the Jebusites will be appointed chief and commander." When Zeruiah's son Joab went up first, he became chief.
7 David occupied the fortress, so it was named the City of David after him. 8 He built up the walls surrounding the city in a complete circle from the terrace ramparts, and Joab repaired the rest of the city. 9 David became more and more prestigious because the LORD of the Heavenly Armies was with him.