| Nominative | Accusative | Dative | Genitive |
| No Article |
Schlüsselkind |
Schlüsselkind |
Schlüsselkind/Schlüsselkinde |
Schlüsselkindes/Schlüsselkinds |
| |
| Definite Article |
das Schlüsselkind |
das Schlüsselkind |
dem Schlüsselkind/Schlüsselkinde |
des Schlüsselkindes/Schlüsselkinds |
| |
| Indefinite Article |
ein Schlüsselkind |
ein Schlüsselkind |
einem Schlüsselkind/Schlüsselkinde |
eines Schlüsselkindes/Schlüsselkinds |
| |
Plural
No Article |
Schlüsselkinder |
Schlüsselkinder |
Schlüsselkindern |
Schlüsselkinder |
| |
Plural
Definite Article |
die Schlüsselkinder |
die Schlüsselkinder |
den Schlüsselkindern |
der Schlüsselkinder |
