| Thumb of Child | Child Cultivar | Cultivar's Parentage |
|---|---|---|
| Siberian Iris (Iris 'Emporia') | Emperor X unknown | |
| Siberian Iris (Iris 'Gayheart') | Emperor X unknown | |
| Siberian Iris (Iris 'Helicon') | unknown X Emperor | |
| Species X Iris (Iris 'Lillabelle') | Emperor x I. versicolor | |
| Siberian Iris (Iris 'Pickaninny') | Emperor X unknown | |
 |
Siberian Iris (Iris 'Snowcrest') | Emperor X Snow Queen |
| Siberian Iris (Iris 'Violet Wave') | (Emperor x sdlg.) X I. chrysographes sdlg. | |
| Siberian Iris (Iris 'Whitehill') | Emperor X unknown |
