Pedigree Chart of Challenge, 3 W-ORR, William Jackson, Jr., Australia, 1979

Chaucer
Warlock
2W-W seedling
Monaco
Penquite
Signal Light
Firebrand
Hospodar
King Alfred
Flamenco
Will Scarlett
Sunstar
Unknown
Challenge
Red Torch
Robigana
Marengo
Redlands
Fortune
Hugh Poate
Seedling
Fairy King
Magherally
Seedling
Caerleon
Kai
Dunkeld