Greetings all!

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Thanks!

Not a very comprehensive answer, but: a while back I was reading through the surveillance reports on the German Nuclear Physicists. Long story short, all the captured German physicists were put in a house and placed under permanent surveillance Big Brother style by Allied intelligence. It's very fascinating because it includes them reacting to the news of the atomic bomb. You can find it if you google around a bit.

Anyways, it's relevant because there are a few comments by some of the German physicists on those Allied physicists who were of German ancestry. Those comments something like "of course it were mostly Germans who did this [inventing the a-bomb]" (with the surveillance officer adding a note as to how that statement demonstrated their chauvinism, as it weren't mostly Germans at all).

So in this case at least you had a sense of respect, and a bit of appropriation as in "we didn't lose to inferior foreign people, we lost to other Germans".

Can't say if this was representative for the general attitude (even in the above it were just a few of the physicists who made such comments.) But it gives you something.

At the risk of piling on, I'd also like to know if there was any mention of the German ancestry of General Pershing in WWI and the Saxe-Coburg and Gotha family in either war.