Halfdan Sigurðsson987–
- Name
- Halfdan Sigurðsson
| Birth | estimated a gap of 25 years about 987 |
| Birth of a son #1 | Sigurðr Sýr about 990 (Age 3 years) |
| Birth of a son #2 | Sigurðr Sýr about 1011 (Age 24 years) |
| Birth of a daughter #3 | Bergljót Halvdansdóttir about 1013 (Age 26 years) |
| Halfdan Sigurðsson + … … |
| himself |
Halfdan Sigurðsson Birth: estimated a gap of 25 years — about 987 |
| daughter |
Bergljót Halvdansdóttir Birth: estimated as equal to husband's birth year — about 1013 26 |
|
-22 years son |
Sigurðr Sýr Birth: estimated a gap of 25 years — about 1011 24 |