Pedigree Chart of
Disraeli
, 1 Y-Y, Guy L. Wilson, Northern Ireland, 1931
N. bicolor
Empress
N. pseudonarcissus
Madame de Graaff
N. albescens
Disraeli
N. Hispanicus
Seedling
unknown
Maximus
King Alfred
N. bicolor
Emperor
N. pseudonarcissus