Pedigree Chart of
Double Mrs. Backhouse
, 4 Y-PYY, Unknown Hol, the Netherlands, 1979
Albicans
Minnie Hume
N. radiiflorus
Lord Kitchener
N. abscissus
Weardale Perfection
Mrs. R.O. Backhouse
3W-R seedling
Double Mrs. Backhouse