1 Chronicles 11:6 in the King James Version
And David said, Whosoever smiteth the Jebusites first shall be chief and captain. So Joab the son of Zeruiah went first up, and was chief.
Context
5 The inhabitants of Jebus said to David, “You will not come in here!” Nevertheless David took the stronghold of Zion. The same is David’s city.
6 David had said, “Whoever strikes the Jebusites first shall be chief and captain.” Joab the son of Zeruiah went up first, and was made chief.
7 David lived in the stronghold; therefore they called it David’s city.