 
| Type | Valeur | 
|---|---|
| Titre | Robert de Ferrers, "Find A Grave Index" | 
| Personnes | 
|---|
|  ROBERT Ferrers 1st Earl of Derby | 
| "Find A Grave Index," database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:QV23-GQ73 : 12 May 2022), Robert de Ferrers, ; Burial, Merevale, North Warwickshire Borough, Warwickshire, England, Merevale Abbey; citing record ID 63098139, Find aGrave, http://www.findagrave.com. |