 
| Type | Valeur | 
|---|---|
| Titre | Sybil de Braose de Ferrers, "Find A Grave Index" | 
| Personnes | 
|---|
|  SYBIL de Braose | 
| "Find A Grave Index," database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:Q2BY-78CW : 25 May 2022), Sybil de Braose de Ferrers, ; Burial, , ; citing record ID 173766873, Find a Grave, http://www.findagrave.com. |