Why does the noun Familienname have the article der?

This noun follows no general suffix rule — its gender is part of the core vocabulary you simply learn alongside the word.

Declension table for German noun Familienname

How it changes across the four cases.

CaseDefiniteIndefiniteNegative
Nominativder Familiennameein Familiennamekein Familienname
Akkusativden Familiennameneinen Familiennamenkeinen Familiennamen
Dativdem Familiennameneinem Familiennamenkeinem Familiennamen
Genitivdes Familiennamenseines Familiennamenskeines Familiennamens

Examples in context

Real sentences using Familienname in different cases.

CaseDefiniteIndefiniteNegative
Nominativ
Der alte Familienname ist bekannt.The old family name is known.
Ein neuer Familienname ist selten.A new family name is rare.
Kein langer Familienname ist einfach.No long family name is simple.
Akkusativ
Ich kenne den alten Familiennamen.I know the old family name.
Wir suchen einen neuen Familiennamen.We are looking for a new family name.
Er hat keinen bekannten Familiennamen.He has no known family name.
Dativ
Ich gebe dem alten Familiennamen Ehre.I give honor to the old family name.
Er gibt einem neuen Familiennamen Bedeutung.He gives meaning to a new family name.
Ich spreche über keinem langen Familiennamen nicht.I don't talk about any long family name.
Genitiv
Die Herkunft des alten Familiennamens ist klar.The origin of the old family name is clear.
Die Bedeutung eines neuen Familiennamens ist interessant.The meaning of a new family name is interesting.
Ich kenne die Geschichte keines bekannten Familiennamens nicht.I don't know the history of any known family name.

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Frequently asked questions

Everything you might wonder about der, die, das — and the Der Artikel app.

Is it der, die, or das Familienname?

It is der Familienname. In German, every noun has a grammatical gender, and Familienname is masculine. You should always learn the article together with the noun to ensure your German grammar is correct.

What is the plural of der Familienname?

The plural form of der Familienname is die Familiennamen. In German, regardless of the singular gender, all plural nouns use the definite article “die.”

What does der Familienname mean in English?

The German word der Familienname translates to “family name” in English.

How do you decline der Familienname?

Like all German nouns, Familienname changes its article depending on the case. In the singular, the forms are:
  • Nominativ: der Familienname
  • Akkusativ: den Familiennamen
  • Dativ: dem Familiennamen
  • Genitiv: des Familiennamens

These changes are necessary because German uses cases to indicate the noun’s role in a sentence (such as the subject or object). Knowing these forms allows you to build grammatically correct sentences.