 
| Type | Valeur | 
|---|---|
| Titre | Willigarde von Bayern de Treves, "Find A Grave Index" | 
| "Find A Grave Index," database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:QK1J-S5NW : 25 May 2022), Willigarde von Bayern de Treves, ; Burial, , ; citing record ID 146247573, Find a Grave, http://www.findagrave.com. |