You should do a search on the website of the Australian National Archives at https://recordsearch.naa.gov.au/SearchNRetrieve/Interface/SearchScreens/BasicSearch.aspx
There are 32 entries for Raubitschek, it appears that all the files are open and you will have to apply for copies.

Michael Hoffman

Borehamwood, 
HERTS, UK 

Livingstone Ave is a nice address. I grew up in Pymble not knowing I was Jewish. I think it might have been common and not a rejection of faith but making a new start after the war years, so it is possible these people did not practice either.

A current search of the Australian telephone directory does not list any Raubitschek variations, but with people less likely to connect a landline today due to ease of mobile phone usage and constant scam phone calls to landlines this is not surprising.  https://www.whitepages.com.au/residential/results?name=Raubitschek&location=Nationally

I note that Ernst Raubitschek was awarded his Bachelor of Dentistry from Sydney Uni in 1943. If there were no delays in his education you'd expect him to be around 24-28yrs(?) of age, so born around 1916-1920. Does this fit with your research timeline? In 1954 there was also a Renate Raubitschek dentistry graduate from Sydney uni.

I found this in a list of publications by Jewish dentists - Jewish dentists - מרחב - הספריה הלאומית
Ernst Raubitschek (dentist) wrote a book that was published in 2009 titled; "By train to Dachau" The editor is Renate Yates. This suggests to me Yates is a married name of Renate Raubitschek and Ernst and Renate are related. Publisher is Sydney Jewish Museum if you want to explore this possibility.

Update ... Renate Yates (b. 1933) is daughter of Ersnt (1896–1971) & Fritzi (1901–1997) Raubitschek originally from Vienna. She ditched dentistry and is now a crime writer. Works By Renate Yates This should provide a lead to follow.
She can be contacted on Linkedin.

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Hi Carol 
 Have you tried looking at the records of the NSW Births, Deaths & Marriages?  I had a quick look and found a death entry for "Ernst Raubitschek" in 1971. I'm not sure if it's the same person, without ordering a copy of the Certificate. But looking at the Electoral roll in 1980 it only shows Fredericke at the address you mentioned in Pymble.  There is also an entry for "Gertrude Raubitschek" in the BDM records for 1987 but I'm not sure if that's any relation since she is shown as being 84 at the time of her death (so born approximately 1903). I also came across a video recording relating to a lady "Fritzi Raubitschek" from the Shoah Foundation: https://vhaonline.usc.edu/viewingPage?testimonyID=12495   There are others mentioned in the recording (including the family Pracht), but I'm unsure if there is any relation. They are shown as living in Pymble.  If you are aware of whether they practised their faith, one of the local shuls may have a Book of Remembrance. All the best with your research.

Bronwyn Van Dam

The replies to the e-mail I sent to main@groups on 13 October 2020 have kept me very busy.

It is possible that Ruth Roubitschek, born in 1913 in Dresden, changed her name to Renee Ruby and was able to make her way to Australia some time in the late 1930s. Renee / Ruth may have been smuggled out of Germany or Czechoslovakia as a nun. She may have had a son who went with her to Australia.

I have found Australian Electoral Rolls for various years between 1949 and 1980. These list Fredericka Therese Maria Ruth Raubitschek, designer, living in the year 1980 in 21 Livingstone Ave. Pymble West, New South Wales. The 1968 Electoral Roll also lists Ernest Raubitschek, dentist, living at the same address. Ernest may have been Ruth’s son.

Fredericka Therese Maria may have been tribute names to those who helped her escape. Raubitschek is one of the many variations on the spelling of Roubitschek.

If anyone had information on Ruth and her son, especially in Australia, please let me know.

Thank you.
Carol Jean Weightman