 
| Type | Valeur | 
|---|---|
| Titre | Roger Bigod and descendants in Dugdale’s The Baronage of England, pg. 133 [See document in the Memories section] | 
| Personnes | 
|---|
|  ROGER Bigod 1st Earl of Norfolk | 
| Dugdale’s The Baronage of England, pg. 133 | 
| Roger Bigod and descendants in Dugdale’s The Baronage of England, pg. 133 [See document in the Memories section] |