Pedigree Chart of Derryboy, 3 W-YYO, Ballydorn Bulb Farm, Northern Ireland, 1990

Gracious
Green Island
Mozart
Seraglio
Gallipoli
Irish Minstrel
Mitylene
Seedling
Penquite
Tudor Minstrel
Cardigan
Derryboy
Folly
Mahmoud
Sunstar
Merlin
Folly
Mahmoud
Sunstar
Gransha
open pollinated