NET

9 Now the cistern where Ishmael threw all the dead bodies of those he had killed was a large one that King Asa had constructed as part of his defenses against King Baasha of Israel. Ishmael son of Nethaniah filled it with dead bodies.

Darby

9 And the pit into which Ishmael had cast all the dead bodies of the men whom he had slain by the side of Gedaliah was the one which Asa the king had made for fear of Baasha king of Israel: Ishmael the son of Nethaniah filled it with the slain.

KJV

9 Now the pit wherein Ishmael had cast all the dead bodies of the men, whom he had slain because of Gedaliah, [was] it which Asa the king had made for fear of Baasha king of Israel: [and] Ishmael the son of Nethaniah filled it with [them that were] slain.