| Grelod (Gellaf)(Grelauca) Duncansdatter |
| Father: Duncan (Dungad) Earl of Caithness | Mother: Groa Thorsteinsdottir |
| Born: abt 898 of Caithness, Scotland |
Died: |
| Spouse:
Thornfinn I Rollo (Brico) "Hausakliffer" Einarsson | Married:
abt 914 of Orkney Islands, Scotland |
| Children:
Arnfinn Thornfinnsson Earl of Orkney Havard "Season-Prosperous" Thornfinnsson Earl of Orkney and Caithness Ljot (Liot) Thornfinnsson Earl of Orkney Skuli Thornfinnsson Earl of Caithness Hlodver (Lodver) Thornfinnsson Earl of Orkney Miss Thornfinnsdatter Miss Thornfinnsdatter Ansfred Thornfinnsson | Brothers & Sisters: |