| Surname: | Gruber | First name: | Adelbert |
|---|---|---|---|
| Other names: | Title: | Baron | |
| Features in: | 1 story | ||
| Appearance: | Black hair and a short, pointed, waxed moustache. | ||
| Notes: | |||
| Title | Collection | |
|---|---|---|
| The Adventure of the Illustrious Client | The Case-Book of Sherlock Holmes | View story |