| Family: | Rosaceae (ro-ZAY-see-ee) (Info) |
| Genus: | Rosa (RO-zuh) (Info) |
| Cultivar: | Royal William |
| Additional cultivar information: | (aka KORzaun, Duftzauber, Fragrant Charm, La Magie du Parfum, Leonora Christine) |
| Hybridized | by Kordes |
| Registered or introduced: | 1984 |