| Singular | Plural | |
|---|---|---|
| Nominativ | patriarchas, patriarcha | patriarchae |
| Genitiv | patriarchai, patriarchae | patriarcharum, patriarchum |
| Dativ | patriarchai, patriarchae | patriarchis, patriarchabus |
| Akkusativ | patriarcham | patriarchas |
| Ablativ | patriarcha, patriarchad | patriarchis, patriarchabus |
| Vokativ | patriarcha | patriarchae |