| Sg | Pl | |
| Nom | mannbroddr | mannbroddar (rule) |
| Acc | mannbrodd (rule) | mannbrodda (rule) |
| Dat | mannbroddi (rule) | mönnbroddum (rule) |
| Gen | mannbrodds (rule) | mannbrodda (rule) |
| Sg | Pl | |
| Nom | mannbroddrinn (rule) | mannbroddarnir (rule) |
| Acc | mannbroddinn (rule) | mannbroddana (rule) |
| Dat | mannbroddinum (rule) | mönnbroddunum (rule) |
| Gen | mannbroddsins (rule) | mannbroddanna (rule) |