| Singular | Plural | |
|---|---|---|
| Nominativ | alexandrea | alexandreae |
| Genitiv | alexandreae, alexandreai | alexandrearum, alexandreum |
| Dativ | alexandreae, alexandreai | alexandreis, alexandreabus |
| Akkusativ | alexandream | alexandreas |
| Ablativ | alexandrea, alexandread | alexandreis, alexandreabus |
| Vokativ | alexandrea | alexandreae |