Peter Vanlaw has written a very interesting article on Connie. He contacted me for further information on Connie and Hans Grohmann, and he was also kind to credit me and my Conrad Veidt websites.
I highly recommend you to visit his website. I am sure you will enjoy it very much!
http://forthelifeofme-film.com/2013/11/12/conrad-veidt-natzlers/
I’ve just linked to your wonderful site under “friends and co-stars”