| Sg. Indef. | heggr |
| Sg. Def. | heggrinn |
| Pl. Indef. | heggir |
| Pl. Def. | heggirnir |
| Sg. Indef. | heggs |
| Sg. Def. | heggsins |
| Pl. Indef. | heggja |
| Pl. Def. | heggjanna |
| Sg. Indef. | hegg |
| Sg. Def. | hegginum |
| Pl. Indef. | heggjum |
| Pl. Def. | heggjunum |
| Sg. Indef. | hegg |
| Sg. Def. | hegginn |
| Pl. Indef. | heggi |
| Pl. Def. | heggina |