| Hint | names |
| friend and father to main character, werewolf | |
| sister | |
| Main Character | |
| werewolf; girl | |
| the main character's real brother | |
| Werewolf; turned girlfriend into a werewolf | |
| mother, shadohunter, was in the circle | |
| Father, shadowhunter, was in the circle | |
| warlock | |
| | Hint | names |
| was in the circle, watches over the institute in first book | |
| mother of main character | |
| little brother | |
| Friend of main character; becomes vampire | |
| main character's real father | |
| Shadowhunter, adoptive son | |
| brother | |
| Vampire leader | |
|