Hi Zootrophion,
I just searched the International Orchid Register @ rhs.org.uk. Ctsm Frilly Doris (F.Clarke 2002) has Ctsm. Dorisīs Choice (fimbriatum x pileatum, Prattini/JEM 1989) as pod/seed parent. The pollen parent is Ctsm. Dona Marie (pileatum x cristatum, Ramsey 1994).