of the thirty # 13_1CH_11_15 # Now three of the thirty captains went down to the rock to David, into the cave of Adullam; and the host of the Philistines encamped in the valley of Rephaim. 
of the thirty # 10_2SA_23_13 # 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. 
of the thirty # 10_2SA_23_24 # Asahel the brother of Joab [was] one of the thirty; Elhanan the son of Dodo of Bethlehem,