What does 2 Samuel 4:2 mean?

Saul had two men who led his raiding parties. One was Baanah, the other was Rechab. They were brothers, sons of Rimmon from Beeroth, which belonged to the tribe of Benjamin. (By the way, Beeroth is considered part of Benjamin's territory.) 2 Samuel 4:2 - Modern Text Bible

(This verse introduces two key figures, Baanah and Rechab, who are about to play a major role in the story. They're Benjaminites, like Saul, and have some authority as leaders of raiding bands.)