10 So the assembly sent twelve thousand fighting men with instructions to go to Jabesh Gilead and put to the sword those living there, including the women and children.

Read Judges 21:10 Using Other Translations

And the congregation sent thither twelve thousand men of the valiantest, and commanded them, saying, Go and smite the inhabitants of Jabeshgilead with the edge of the sword, with the women and the children.
So the congregation sent 12,000 of their bravest men there and commanded them, "Go and strike the inhabitants of Jabesh-gilead with the edge of the sword; also the women and the little ones.
So the assembly sent 12,000 of their best warriors to Jabesh-gilead with orders to kill everyone there, including women and children.