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.
BSB · Berean Standard Bible
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.

Note because…: or, near Gedaliah: Heb. by the hand, or, by the side of Gedaliah

KJV · King James Version
Now the pit in which Ishmael cast all the dead bodies of the men whom he had killed, by the side of Gedaliah (this was that which Asa the king had made for fear of Baasha king of Israel), Ishmael the son of Nethaniah filled it with those who were killed.
WEB · World English Bible
Now the pit wherein Ishmael cast all the dead bodies of the men whom he had slain, by the side of Gedaliah (the same was that which Asa the king had made for fear of Baasha king of Israel), Ishmael the son of Nethaniah filled it with them that were slain.
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

because of Gedaliah
or, near Gedaliah. Heb. by the hand,or the side of Gedaliah. was it.
Joshua 10:16–18; Judges 6:2; 1 Samuel 13:6; 1 Samuel 14:11, 22; 1 Samuel 24:3; 2 Samuel 17:9; Hebrews 11:38
for fear
1 Kings 15:17–22; 2 Chronicles 16:1–10