en_tn/jer/41/13.md

Then it happened that

This phrase is used here to mark an important event in the story. If your language has a way for doing this, you could consider using it here.

when all the people who were with Ishmael

Here "people" refers to those whom Ishmael and his men had captured.

whom Ishmael had captured

Here "Ishmael" represents himself and all of his men. AT: "whom Ishmael and his men had captured" (See: rc://en/ta/man/translate/figs-synecdoche)