German relative pronouns explained: 5 rules & examples

German relative pronouns are words that link a subordinate clause to a noun (or pronoun) in the main clause and stand in for that noun. They agree with the antecedent in gender, number and case – for example der (who/that, masculine nominative) or welche (which, feminine accusative). In the rest of this article you will learn the four cases, a three‑step rule for picking the right form, and a quick practice routine you can start right now.

What are German relative pronouns and when are they used?

Relative pronouns introduce a relative clause that adds information about a noun. The clause cannot stand alone; it depends on the main clause for meaning. In English the equivalent words are "who", "which", "that" and "whom".

Example: Der Mann, der im Park joggt, ist mein Nachbar. (The man who is jogging in the park is my neighbour.) The pronoun der replaces "der Mann" inside the clause and shows that the noun is masculine nominative.

German Buddy’s free everyday phrases list contains many sentences with relative clauses, so you can see the pronouns in context while you study.

Which relative pronoun matches which case?

German has four cases, and each case has its own set of relative pronouns. Below is a concise overview.

• Nominative: der (masc.), die (fem.), das (neut.), die (pl.) – e.g., Die Frau, die hier arbeitet, ist freundlich. (The woman who works here is friendly.)
• Accusative: den, die, das, die – e.g., Ich kenne den Mann, den du gestern getroffen hast. (I know the man whom you met yesterday.)
• Dative: dem, der, dem, denen – e.g., Der Lehrer, dem ich das Buch gab, dankte mir. (The teacher to whom I gave the book thanked me.)
• Genitive: dessen, deren, dessen, deren – e.g., Das Haus, dessen Dach rot ist, steht am See. (The house whose roof is red stands by the lake.)

Notice how the gender of the antecedent determines the pronoun, while the case is dictated by the verb or preposition inside the relative clause.

When you need extra listening practice, try the free listen‑and‑repeat tool with sentences that contain these pronouns.

How do I choose the correct relative pronoun in a sentence?

Use this three‑rule system:

1. Identify the antecedent’s gender and number. Is it masculine, feminine, neuter, or plural?
2. Determine the function of the pronoun inside the relative clause. Is it the subject (nominative), direct object (accusative), indirect object (dative), or possessive (genitive)?
3. Match the pronoun. Pick the form that fits both gender/number and case from the tables above.

Example walk‑through: Ich habe das Buch, ___ du mir empfohlen hast. The antecedent "das Buch" is neuter singular. Inside the clause, the pronoun is the direct object of "empfohlen" (accusative). The correct pronoun is das. Full sentence: Ich habe das Buch, das du mir empfohlen hast. (I have the book that you recommended to me.)

German Buddy’s word of the day often features relative pronouns, giving you a daily reminder of the rule.

Practical steps to master relative pronouns today

Follow this short routine and you will see rapid improvement.

1. Write five sentences of your own using each case. Use the template "Der/Die/Das ___, ___ …" and fill in the blanks.
2. Record yourself reading the sentences aloud. Play back with the repeat tool to check pronunciation.
3. Swap sentences with a study partner or post them in the German Buddy community. Ask for corrections that focus on the pronoun choice.
4. Review the corrected version and note any pattern of mistakes. Rewrite the sentence using the corrected pronoun.
5. Every evening, spend five minutes on the phrases tool and look for any relative clauses you missed.

This routine takes less than 15 minutes a day and builds both recognition and production skills.

Practice German relative pronouns with German Buddy

The German Buddy app lets you practise exactly what you have learned. In Conversation mode you can role‑play a scenario where a friend asks you to describe a person, and the app will suggest the correct relative pronoun and give a short tip. In Writing mode you receive gentle corrections that replace a wrong pronoun with the right one and explain why.

Start with the free daily allowance and see how quickly you internalise the patterns. start practising free – you get 7 days of unlimited access, then a free daily practice allowance that never runs out.

FAQ

What is the difference between "der" and "welcher" as relative pronouns?

Both can translate to "who/which", but der is the default pronoun and is used in most contexts. Welcher adds a sense of selection or contrast, similar to "which one" in English. Example: Das Buch, welches ich lese, ist spannend. (The book which I am reading is exciting.)

Can I use "das" for a masculine antecedent?

No. "Das" is neuter. For a masculine antecedent you must use der (nominative) or den (accusative), etc. Mixing genders leads to ungrammatical sentences.

Do relative pronouns change after prepositions?

Yes. The case of the pronoun follows the case required by the preposition. Example: Der Mann, mit dem ich gesprochen habe, ist Arzt. (The man with whom I spoke is a doctor.) Here the preposition "mit" forces dative, so the pronoun becomes dem.

How many relative pronouns are there in total?

German has four basic sets (nominative, accusative, dative, genitive) each with four forms for gender/number, plus the alternative "welcher" series. In practice you will master about 16 core forms.