 
| Type | Valeur | 
|---|---|
| Titre | Rollo, Duke of Normandy, and Rognvald, Earl of Mare, in The Battle Abbey Roll, Vol. III, pg. 92-93 [See document in the Memories section] | 
| Personnes | 
|---|
|  GONGU Hrolf "ROLLO: Longsword HP02 RO01 SK01 | 
| The Battle Abbey Roll, Vol. III, pg. 92-93. |