Declension of the word "Costantino IV"

Singular and plural for Costantino IV, m, strong declension

Singular
Plural
Singular
Nominativ (Wer? Was?)
Costantino IV
Genitiv (Wessen?)
Costantinos IV
Dativ (Wem?)
Costantino IV
Akkusativ (Wen? Was?)
Costantino IV
Plural
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