1 Chronicles 11:15-17 NIV

15 Three of the thirty chiefs came down to David to the rock at the cave of Adullam, while a band of Philistines was encamped in the Valley1 of Rephaim.

References for 1 Chronicles 11:15

16 At that time David was in the stronghold,2 and the Philistine garrison was at Bethlehem.

References for 1 Chronicles 11:16

17 David longed for water and said, "Oh, that someone would get me a drink of water from the well near the gate of Bethlehem!"