Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | Perseius |
| Gen. | Perseii |
| Dat. | Perseio |
| Acc. | Perseium |
| Abl. | Perseio |
| Voc. | Perseie |
| PLURIEL |
| Nom. | Perseii |
| Gen. | Perseiōrum |
| Dat. | Perseiis |
| Acc. | Perseios |
| Abl. | Perseiis |
| Voc. | Perseii |
| SINGULIER |
| Nom. | Perseiă |
| Gen. | Perseiae |
| Dat. | Perseiae |
| Acc. | Perseiam |
| Abl. | Perseiā |
| Voc. | Perseiă |
| PLURIEL |
| Nom. | Perseiae |
| Gen. | Perseiārum |
| Dat. | Perseiis |
| Acc. | Perseias |
| Abl. | Perseiis |
| Voc. | Perseiae |
| SINGULIER |
| Nom. | Perseium |
| Gen. | Perseii |
| Dat. | Perseio |
| Acc. | Perseium |
| Abl. | Perseio |
| Voc. | Perseium |
| PLURIEL |
| Nom. | Perseia |
| Gen. | Perseiōrum |
| Dat. | Perseiis |
| Acc. | Perseia |
| Abl. | Perseiis | |