Pedigree Chart of Roisterman, 2 W-R, Brian S. Duncan, Northern Ireland, 1987

Beacon
Folly
N. poeticus var. recurvus
Enniskillen
Hades
Red Rooster
White Sentinel
Kilworth
Hades
Don Carlos
Monaco
Arbar
Forfar
Roisterman
Beacon
White Sentinel
2 W-W seedling
Kilworth
Hades
Shandon
White Sentinel
Kilworth
Hades
Don Carlos
Monaco
Arbar
Forfar