| Singular | Plural | |
|---|---|---|
| Nominativ | ahenom, ahenum | ahena |
| Genitiv | aheni | ahenorum |
| Dativ | ahenobarbus, aheno, ahenobarbo, ahenobarborum, ahenobarbum | ahenis |
| Akkusativ | ahenum | ahena |
| Ablativ | ahenobarbum, ahenobarbus, aheno, ahenobarbo, ahenobarborum | ahenis |
| Vokativ | ahenum | ahena |