| Sg | Pl | |
| Nom | margmenni | margmennar (rule) |
| Acc | margmenna (rule) | margmenna (rule) |
| Dat | margmenna (rule) | mörgmennum (rule) |
| Gen | margmenna (rule) | margmenna (rule) |
| Sg | Pl | |
| Nom | margmennit (rule) | margmennarin (rule) |
| Acc | margmennat (rule) | margmennan (rule) |
| Dat | margmennanu (rule) | mörgmennunum (rule) |
| Gen | margmennans (rule) | margmennanna (rule) |