Æthelred I. of Northumbria758–
- Name
- Æthelred I. of Northumbria
| Birth | estimated as equal to husband's birth year about 758 |
| Marriage | Ælfflæd of Mercia — View this family 792 (Age 34 years) |
| Family with Ælfflæd of Mercia |
| himself |
Æthelred I. of Northumbria Birth: estimated as equal to husband's birth year — about 758 |
| wife |
Ælfflæd of Mercia Birth: estimated as close to sibling(s) — about 758 33 33 |
|
Marriage: 792 — |