Jeremiah 41:3, 14
Jeremiah 41:3 AMP
Ishmael also killed all the Jews who were [at the banquet] with Gedaliah at Mizpah, in addition to the Chaldean soldiers who were there.
Jeremiah 41:14 AMP
So all the people whom Ishmael had taken captive from Mizpah turned around and came back, and joined Johanan the son of Kareah.