Albert Barnes Commentary Judges 21:23

"And the children of Benjamin did so, and took them wives, according to their number, of them that danced, whom they carried off: and they went and returned unto their inheritance, and built the cities, and dwelt in them." — Judges 21:23 (ASV)

Compare the very similar account of the rape of the Sabine women by the Roman youths at the festival of the Consualia, as related by Livy.