Some German blood in them too:
Frida's (the dark-haired one's) dad was a German
Landser in occupied Norway - Frida's mother left Norway in 1947 (Norway was, perhaps understandably, at that point a no good place to raise the child of a German father) together with Frida, but died shortly after, Frida being raised by her Swedish grandmother.
A fetching-looking young man, but I'm not sure whether that Errol Flynn 'tache was in line with Wehrmacht regulations:
Yet bearded he remained: