They work together intensively with John Scarman. So it is likely to be true... But if You want to know that for sure, You might send them/Frans Neuman an e-mail.
Thanks for your reply and advice. I just spotted this rose and I'm very interested in the parentage because there are practically no ramblers that are reliably hardy in Finland. E.g. Geschwind's ramblers have turned out disappointing in this respect in my garden.
