Wer? Wen? Wem? When and how to use them

English only has one word for "who" (and a slightly old-fashioned "whom"), but German has three: wer, wen, and wem. The good news is they're not random — each one simply asks about a different grammatical case. Once you know the case system, these three little words stop being confusing and become a useful shortcut for checking your own sentences.

The Three Question Words for "Who"

Wer? — Nominative (the subject)

Wer asks about the subject of the sentence — the person doing the action.

Wer kommt heute Abend? — Who is coming tonight? → Anna kommt heute Abend.

Wen? — Akkusativ (the direct object)

Wen asks about the direct object — the person the action is being done to.

Wen siehst du? — Who(m) do you see? → Ich sehe meinen Bruder.

Wem? — Dativ (the indirect object)

Wem asks about the indirect object — usually the person receiving or benefiting from something.

Wem gibst du das Buch? — Who(m) are you giving the book to? → Ich gebe meiner Schwester das Buch.

How to Know Which One to Use

The trick is to answer your own question with "he/she/it" in English, and see which form fits:

• If the answer is "he/she/they" (subject) → use wer.
• If the answer is "him/her/them" as a direct object → use wen.
• If the answer is "to/for him/her/them" → use wem.

An even more reliable method: look at the verb. Verbs like sehen, kennen, and fragen take a direct object (Akkusativ), so their question word is wen. Verbs like helfen, danken, and gehören always take Dativ, so their question word is wem.

Wer, Wen, Wem in Practice

• Wer hat das Fenster geöffnet? — Who opened the window? (subject)
• Wen hast du gestern getroffen? — Who(m) did you meet yesterday? (direct object)
• Wem gehört diese Tasche? — Whose bag is this / To whom does this bag belong? (dative — with gehören)
• Wem hilfst du am Wochenende? — Who(m) are you helping this weekend? (dative — with helfen)

Frequently Asked Questions

What is the difference between wer, wen, and wem?

Wer asks about the subject (nominative), wen asks about the direct object (accusative), and wem asks about the indirect object (dative) — the same three cases that apply to nouns and pronouns.

How do I know if a verb needs wen or wem?

Check which case the verb takes. Verbs like sehen, kennen, and fragen take a direct object (Akkusativ → wen). Verbs like helfen, danken, and gehören always take Dativ → wem.

Is "wem" the same as English "whom"?

Roughly, yes — wem corresponds to the dative use of "whom" in English (e.g. "to whom"), though German uses it far more consistently than English uses "whom" today.

Can wer, wen, or wem ever refer to things instead of people?

No — wer/wen/wem only ask about people. For things, German uses was (nominative/accusative) or a preposition + "wo-" construction like womit or worüber for the dative/other cases.

Why does German need three different words when English only has one?

Because German marks grammatical case on question words just as it does on articles and pronouns, so the question word itself shows whether you're asking about the subject, direct object, or indirect object.

For more guided practice with the German case system, take a look at our A2-level course.