Some people on Facebook (and MySpace) have the surname Légene Jørgensen (living in Gentofte). You could "message" someone with the name - it's an unusual name, so maybe just maybe you might find a grandchild or even a child of Ancker's. If so, he/she may be happy to help.
Or even use the Danish white pages online - with email addresses - to write to someone with this name. Henrik, do you know how to find this online? I've forgotten.
A person does not have to have a Facebook page in order to search for and write to a person via Facebook.
Here's a link containing the name (see bottom of the page):http://www.nepal2010.dk/
Promoting a charity event in Denmark to benefit disadvantaged children in Nepal...