| Thumb of Child | Child Cultivar | Cultivar's Parentage |
|---|---|---|
| Tall Bearded Iris (Iris 'Aden') | Byzantium X (Bruno x W. R. Dykes) | |
| Tall Bearded Iris (Iris 'Blue Nile') | Purissima x Byzantium | |
| Tall Bearded Iris (Iris 'Gibraltar') | Purissima x Byzantium | |
| Tall Bearded Iris (Iris 'June Crystal') | San Francisco x Byzantium | |
| Tall Bearded Iris (Iris 'Tobago') | Purissima X Byzantium |
