2 Samuel 23:13-14

And three of the thirty chief went down, and came to David in the harvest time unto the cave of Adullam: and the troop of the Philistines pitched in the valley of Rephaim. {three...: or, the three captains over the thirty} And David {was} then in an hold, and the garrison of the Philistines {was} then {in} Bethlehem.