Pedigree Chart of Gull, 2 W-GWW, Grant E. Mitsch, United States, 1979

Silver Coin
N. poeticus var. hellenicus
Tryst
Hexagon
Armoy
Crimson Braid
Easter Moon
Quartz
2W-W seedling
Naxos
Greenland
Silver Plane
Chinese White
(Silver Coin x unknown)
Gull
King Alfred
Trostan
Askelon
Broughshane
Brodie 1W-W seedling
Kanchenjunga
Askelon
2/417
unknown