Who vs Whom If in doubt, reword the clause to see which personal pronoun you need: he/him, she/her, etc. Then replace that pronoun with who or whom, using the following rule: Use WHO for he, she, they, we: The people who just boarded the plane are in a rock band. (Reword: They just boarded the plane—so use who.) This boy rescued us (Reword: He rescued us so use who) Use WHOM for him, her, them, us: The cousin whom we met at the family reunion is coming to visit. (Reword: We met him at the family reunion—so use whom.) The agent with whom I spoke was able to help me. (Reword: I spoke with her—so use whom.)