| Characters who have most to do with the | Objects | Classification |
| Harry, Hermione, Ron, Kreacher, Regulus, Hepzibah Smith | |
| Rowena Ravenclaw, Helena Ravenclaw | |
| Ginny, Harry, Tom, Lucius | |
| Harry, Hermione, Ron, Ginny | |
| Voldemort | |
| Dumbledore, Bellatrix Lestrange, Harry Potter | |
| Hepzibah Smith, Bellatrix Lestrange | |
| Dumbledore, Marvolo Gaunt, Merope Gaunt, Morfin Gaunt | |
| Dumbledore, Gregorovitch, Antioch Peverell | |
| Dumbledore, Tom Riddle, Cadmus Peverell | |
| Dumbledore, James Potter, Harry Potter, Ignotus Peverell | |
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