

| Name | Æthelthryth Of Northumbria | |
| Birth | Abt 820 | Northumbria, England |
| Gender | Female | |
| _AMTID | 342757448241:1030:209433258 | |
| _COLOR | 25 | |
| _FSFTID | GD7T-Z5L | |
| _UID | 04771357DFCBEF1180960EB6A4AE3903F7D5 | |
| Death | Abt 865 | |
| Person ID | I235866 | World of Hyde |
| Last Modified | 29 Mar 2025 | |
| Father | King Æthelred Of Northumbria, II Of Northumbria, b. 805, Northumbria, England d. 848, Northumbria, England (Age 43 years) | |
| Mother | Queen Æthelred, b. Abt 806, Northumbria, England d. Yes, date unknown | |
| Family ID | F82180 | Group Sheet | Family Chart |
| Family | King Ecgberht, I. Of Northumbria, b. 808, Bamburgh, Northumberland, England d. 873, Northumbria, England (Age 65 years) | |||||
| Children |
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| Family ID | F82179 | Group Sheet | Family Chart | ||||
| Last Modified | 15 Mar 2026 | |||||