2 Samuel 12:26

Now Joab fought against Rabbah of the sons of Ammon and captured the royal city.

Deuteronomy 3:11

(For only Og king of Bashan was left of the remnant of the Rephaim. Behold, his bedstead was an iron bedstead; it is in Rabbah of the sons of Ammon. Its length was nine cubits and its width four cubits by ordinary cubit.)

1 Chronicles 20:1-3

Then it happened in the spring, at the time when kings go out to battle, that Joab led out the army and ravaged the land of the sons of Ammon, and came and besieged Rabbah. But David stayed at Jerusalem. And Joab struck Rabbah and overthrew it.

2 Samuel 11:25

Then David said to the messenger, “Thus you shall say to Joab, ‘Do not let this thing displease you, for the sword devours one as well as another; make your battle against the city stronger and overthrow it’; and so encourage him.”

Treasury of Scripture Knowledge

Summary

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

Bible References

Joab

2 Samuel 11:25
Then David said to the messenger, “Thus you shall say to Joab, ‘Do not let this thing displease you, for the sword devours one as well as another; make your battle against the city stronger and overthrow it’; and so encourage him.”
1 Chronicles 20:1
Then it happened in the spring, at the time when kings go out to battle, that Joab led out the army and ravaged the land of the sons of Ammon, and came and besieged Rabbah. But David stayed at Jerusalem. And Joab struck Rabbah and overthrew it.