Pedigree Chart of Tigard, 2 W-O, Grant E. Mitsch, United States, 1975

Princess Mary
Beacon
(N. poeticus var. recurvus x poet )
White Sentinel
2 W-W seedling
Kilworth
Hades
Tigard
Chaucer
Warlock
2W-W seedling
Monaco
Penquite
Signal Light
Firebrand
Hospodar
King Alfred
Flamenco
Will Scarlett
Sunstar
Unknown