| Ruler | Kingdom | Era |
|---|---|---|
| Mr. Bartimaeus Reincarnated | Tupac | 40 |
| Mr. Cardlreinhardt | 48 | |
| Mr. Carldreindardt | Denadrii Mercs | 48 |
| Mr. Einskaldir Reinderslayer | Foundation | 36 |
| Duke Epymon The Reincarnate | Sheolic Empire | 32 |
| Mr. Haldimir VI The Reincarnated | Havoc | 33 |
| Mr. Half Blud The Reincarnator | Insane Asylum | 47 |
| Lady Niques The Reincarnated | Mad Against Drugs | 47 |
| Ms. Rein | 48 | |
| Mr. Rein | 48 | |
| Ms. Reina | 37 | |
| Mr. Reinhardt | 48 | |
| Mr. Reinhardt Von Bernard | Holy Roman Empire | 47 |
| Mr. Reinhardt Von Bernard | Holy Roman Empire | 48 |
| Mr. Reinhart | ZEON | 26 |
| Mr. Treinschaufeur | Trein Musketiers | 48 |
| Mr. Treinschaufeur | 48 | |
| Mr. Treinschoufeur | 48 | |
| Monarch Vicereine of Wickedness | 48 | |
| Mr. Xanatos Reincarnated | METAL | 47 |