| Singular | Plural | |
|---|---|---|
| Nominativ | postgenitus | postgeniti |
| Genitiv | postgeniti | postgenitorum, postgenitum |
| Dativ | postgenito | postgenitis |
| Akkusativ | postgenitom, postgenitum | postgenitos |
| Ablativ | postgenito | postgenitis |
| Vokativ | postgenite | postgeniti |
12 (14) Formen für „postgenitus“