 
| Type | Valeur | 
|---|---|
| Titre | Siward, Earl of Northumbria, in A History of the British Nation, pg. 31-34 [See document in the Memories section] | 
| Personnes | 
|---|
|  WALTHOF Earl of Northumbria | 
| A History of the British Nation, pg. 31-34 | 
| Siward, Earl of Northumbria, in A History of the British Nation, pg. 31-34 [See document in the Memories section] |