(Notes: You may have to scroll down or right to see chart.)
| SVEIDASSON Halfden (740) | |
| B: | About 740 |
| Oppland, Norway | |
| D: | About 800 |
| Oppland, Norway | |
| SVEIDASSON Mrs. Imhilde (767) | |
| B: | About 767 |
| SVIDRASSON Sveidi (670) | |
| B: | About 670 |
| Raumsdal, Norway | |
| William I | |
| B: | About 600 AD |
| Ogdam, Raumsdal, Norway | |
|
| HEYTIRSSON unknown (550) | |
| B: | About 550 AD |
| Raumsdal, Norway | |