2SA 4:2

2 And Ben Sha'ul had two anashim that were sarei gedudim [(captains of raiding parties)]; the shem of the one was Ba'anah, and the shem of the other Rechav; these were the Bnei Rimmon HaBe'eroti, of the Bnei Binyamin: (for [the town of] Be'erot was reckoned as part of Binyamin.)