At the Bendigo Famiy History Expo, attendee Margaret Brown told me about her JASSNIGER relatives from Vienna, and even went home to bring me the birth and death certificates.
Click on each image to see them better. Each holds detailed information on various individuas, including maiden names of mother and grandmother, etc.
If you are researching Margaret's father's rare name, let me know and I’ll put you in touch with her. Some dozen burials are in Vienna; she knows there was a US branch but has not yet checked for it.