Unfortunately the styling means they really only work for the doll they are fitted for although a couple of Liesl's were made for the classic Tonner/Tyler body.
I don't know enough about film history to know how it could fit into Gene's storyline in the post WWII period...but I'm sure we could come up with something!
Joachim has some pretty traditional clothes (I only had this group pic) but I've never found good doll Lederhosen either :-(