en_tn/jdg/21/09.md

people were set out in an orderly manner

"people that were assembled at Mizpah were accounted for"

none of the inhabitants of Jabesh Gilead were there

This refers back to the earlier assembly at Mizpah. The full meaning of this statement can be made clear. Alternate translation: "none of the inhabitants of Jabesh Gilead had been present at Mizpah" (See: rc://en/ta/man/translate/figs-explicit)