Renee Rosenblatt was born in Vienna and was married to Adolf Preis. Zij was a dressmaker. In October 1938 she arrived in Amsterdam. In all probability she fled to Holland together with her parents.
For a brief Dutch summary see: pension-deckstein-hotel-nes.
Renee had two brothers Otto (1905-1977) en Fritz (1917-2006).
Fritz Rosenblatt (also known as Fred Wander) was deported from Drancy (France) to Auschwitz on September 16, 1942 (convoy # 33). Source memorial de la shoah.
Fritz Rosenblatt survived and under the name Fred Wander married the Austrian writer Maxie Wander See also Wikipedia on Maxie Wander.