Pedigree Chart of Ballycastle, 3 W-WWO, W.J. (Willy) Dunlop, Northern Ireland, 1947
| Princess Mary | |||||||
| Beacon | |||||||
| (N. poeticus var. recurvus x poet ) | |||||||
| Seedling | |||||||
| unknown | |||||||
| Mitylene | |||||||
| Ballycastle | |||||||
| Silver Plane | |||||||
| Tinsel | |||||||
| Silver Coin | |||||||
| N. poeticus var. hellenicus | |||||||
| Seedling | |||||||
| unknown |