King James Version (KJV) - Jeremiah 41:9 >

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.

Berean Study Bible (BSB) - Jeremiah 41:9 >

Now the cistern into which Ishmael had thrown all the bodies of the men he had struck down along with Gedaliah was a large one that King Asa had made for fear of Baasha king of Israel. Ishmael son of Nethaniah filled it with the slain.