Pedigree Chart of Mint Julep, 3 Y-GYY, Brian S. Duncan, Northern Ireland, 1981
| Pontresina open pollinated | |||||||
| Mint Julep | |||||||
| (Beacon x unknown) | |||||||
| Mitylene | |||||||
| Blarney | |||||||
| Will Scarlett | |||||||
| Sunstar | |||||||
| Unknown | |||||||
| Woodland Prince | |||||||
| Silver Plane | |||||||
| Sylvia O'Neill | |||||||
| Silver Coin | |||||||
| Seedling | |||||||
| unknown |