2 Samuel 12:26 KJV

And Joab fought against Rabbah of the children of Ammon, and took the royal city.
2 Samuel 12:26, King James Version

In context

25 And he sent by the hand of Nathan the prophet; and he called his name Jedidiah, because of the Lord.

26 And Joab fought against Rabbah of the children of Ammon, and took the royal city.

27 And Joab sent messengers to David, and said, I have fought against Rabbah, and have taken the city of waters.